| Value | Category | Cases | |
|---|---|---|---|
| 0 | 8 | 
                                    
                                    7.9%
                                 | |
| 1 | 3 | 
                                    
                                    3%
                                 | |
| 2 | 1 | 
                                    
                                    1%
                                 | |
| 3 | 1 | 
                                    
                                    1%
                                 | |
| 4 | 1 | 
                                    
                                    1%
                                 | |
| 5 | 1 | 
                                    
                                    1%
                                 | |
| 6 | 1 | 
                                    
                                    1%
                                 | |
| 7 | 2 | 
                                    
                                    2%
                                 | |
| 8 | 3 | 
                                    
                                    3%
                                 | |
| 9 | 1 | 
                                    
                                    1%
                                 | |
| 10 | 1 | 
                                    
                                    1%
                                 | |
| 11 | 2 | 
                                    
                                    2%
                                 | |
| 13 | 1 | 
                                    
                                    1%
                                 | |
| 14 | 2 | 
                                    
                                    2%
                                 | |
| 15 | 4 | 
                                    
                                    4%
                                 | |
| 17 | 2 | 
                                    
                                    2%
                                 | |
| 18 | 4 | 
                                    
                                    4%
                                 | |
| 19 | 4 | 
                                    
                                    4%
                                 | |
| 20 | 3 | 
                                    
                                    3%
                                 | |
| 21 | 1 | 
                                    
                                    1%
                                 | |
| 22 | 1 | 
                                    
                                    1%
                                 | |
| 23 | 2 | 
                                    
                                    2%
                                 | |
| 24 | 1 | 
                                    
                                    1%
                                 | |
| 25 | 4 | 
                                    
                                    4%
                                 | |
| 26 | 1 | 
                                    
                                    1%
                                 | |
| 27 | 1 | 
                                    
                                    1%
                                 | |
| 28 | 1 | 
                                    
                                    1%
                                 | |
| 29 | 3 | 
                                    
                                    3%
                                 | |
| 30 | 8 | 
                                    
                                    7.9%
                                 | |
| 34 | 1 | 
                                    
                                    1%
                                 | |
| 37 | 2 | 
                                    
                                    2%
                                 | |
| 38 | 1 | 
                                    
                                    1%
                                 | |
| 39 | 1 | 
                                    
                                    1%
                                 | |
| 40 | 4 | 
                                    
                                    4%
                                 | |
| 44 | 1 | 
                                    
                                    1%
                                 | |
| 45 | 5 | 
                                    
                                    5%
                                 | |
| 46 | 1 | 
                                    
                                    1%
                                 | |
| 47 | 1 | 
                                    
                                    1%
                                 | |
| 49 | 1 | 
                                    
                                    1%
                                 | |
| 50 | 5 | 
                                    
                                    5%
                                 | |
| 51 | 1 | 
                                    
                                    1%
                                 | |
| 53 | 2 | 
                                    
                                    2%
                                 | |
| 54 | 1 | 
                                    
                                    1%
                                 | |
| 55 | 1 | 
                                    
                                    1%
                                 | |
| 57 | 3 | 
                                    
                                    3%
                                 | |
| 58 | 1 | 
                                    
                                    1%
                                 | |
| 88 | Don't know | 0 | 
                                    
                                    0%
                                 | 
| 99 | Missing | 1 | 
                                    
                                    1%
                                 | 
| Sysmiss | 901 |