| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 18 | 20 | 
                                    
                                    1.7%
                                 | |
| 19 | 25 | 
                                    
                                    2.1%
                                 | |
| 20 | 39 | 
                                    
                                    3.3%
                                 | |
| 21 | 21 | 
                                    
                                    1.8%
                                 | |
| 22 | 33 | 
                                    
                                    2.8%
                                 | |
| 23 | 16 | 
                                    
                                    1.3%
                                 | |
| 24 | 19 | 
                                    
                                    1.6%
                                 | |
| 25 | 47 | 
                                    
                                    3.9%
                                 | |
| 26 | 16 | 
                                    
                                    1.3%
                                 | |
| 27 | 19 | 
                                    
                                    1.6%
                                 | |
| 28 | 35 | 
                                    
                                    2.9%
                                 | |
| 29 | 13 | 
                                    
                                    1.1%
                                 | |
| 30 | 62 | 
                                    
                                    5.2%
                                 | |
| 31 | 6 | 
                                    
                                    0.5%
                                 | |
| 32 | 32 | 
                                    
                                    2.7%
                                 | |
| 33 | 11 | 
                                    
                                    0.9%
                                 | |
| 34 | 13 | 
                                    
                                    1.1%
                                 | |
| 35 | 41 | 
                                    
                                    3.4%
                                 | |
| 36 | 21 | 
                                    
                                    1.8%
                                 | |
| 37 | 31 | 
                                    
                                    2.6%
                                 | |
| 38 | 25 | 
                                    
                                    2.1%
                                 | |
| 39 | 19 | 
                                    
                                    1.6%
                                 | |
| 40 | 58 | 
                                    
                                    4.8%
                                 | |
| 41 | 15 | 
                                    
                                    1.3%
                                 | |
| 42 | 17 | 
                                    
                                    1.4%
                                 | |
| 43 | 15 | 
                                    
                                    1.3%
                                 | |
| 44 | 11 | 
                                    
                                    0.9%
                                 | |
| 45 | 43 | 
                                    
                                    3.6%
                                 | |
| 46 | 12 | 
                                    
                                    1%
                                 | |
| 47 | 15 | 
                                    
                                    1.3%
                                 | |
| 48 | 26 | 
                                    
                                    2.2%
                                 | |
| 49 | 11 | 
                                    
                                    0.9%
                                 | |
| 50 | 39 | 
                                    
                                    3.3%
                                 | |
| 51 | 11 | 
                                    
                                    0.9%
                                 | |
| 52 | 17 | 
                                    
                                    1.4%
                                 | |
| 53 | 28 | 
                                    
                                    2.3%
                                 | |
| 54 | 16 | 
                                    
                                    1.3%
                                 | |
| 55 | 21 | 
                                    
                                    1.8%
                                 | |
| 56 | 26 | 
                                    
                                    2.2%
                                 | |
| 57 | 15 | 
                                    
                                    1.3%
                                 | |
| 58 | 17 | 
                                    
                                    1.4%
                                 | |
| 59 | 8 | 
                                    
                                    0.7%
                                 | |
| 60 | 39 | 
                                    
                                    3.3%
                                 | |
| 61 | 9 | 
                                    
                                    0.8%
                                 | |
| 62 | 11 | 
                                    
                                    0.9%
                                 | |
| 63 | 16 | 
                                    
                                    1.3%
                                 | |
| 64 | 10 | 
                                    
                                    0.8%
                                 | |
| 65 | 23 | 
                                    
                                    1.9%
                                 | |
| 66 | 8 | 
                                    
                                    0.7%
                                 | |
| 67 | 10 | 
                                    
                                    0.8%
                                 | |
| 68 | 8 | 
                                    
                                    0.7%
                                 | |
| 70 | 16 | 
                                    
                                    1.3%
                                 | |
| 71 | 4 | 
                                    
                                    0.3%
                                 | |
| 72 | 8 | 
                                    
                                    0.7%
                                 | |
| 73 | 5 | 
                                    
                                    0.4%
                                 | |
| 74 | 2 | 
                                    
                                    0.2%
                                 | |
| 75 | 10 | 
                                    
                                    0.8%
                                 | |
| 76 | 3 | 
                                    
                                    0.3%
                                 | |
| 77 | 2 | 
                                    
                                    0.2%
                                 | |
| 78 | 7 | 
                                    
                                    0.6%
                                 | |
| 79 | 2 | 
                                    
                                    0.2%
                                 | |
| 80 | 6 | 
                                    
                                    0.5%
                                 | |
| 82 | 1 | 
                                    
                                    0.1%
                                 | |
| 83 | 1 | 
                                    
                                    0.1%
                                 | |
| 84 | 1 | 
                                    
                                    0.1%
                                 | |
| 85 | 3 | 
                                    
                                    0.3%
                                 | |
| 86 | 1 | 
                                    
                                    0.1%
                                 | |
| 87 | 1 | 
                                    
                                    0.1%
                                 | |
| 90 | 2 | 
                                    
                                    0.2%
                                 | |
| 998 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 999 | Don't know | 6 | 
                                    
                                    0.5%
                                 |