| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2 | 
                                    
                                    3.8%
                                 | |
| 2 | 2 | 
                                    
                                    3.8%
                                 | |
| 4 | 1 | 
                                    
                                    1.9%
                                 | |
| 5 | 3 | 
                                    
                                    5.8%
                                 | |
| 6 | 2 | 
                                    
                                    3.8%
                                 | |
| 7 | 2 | 
                                    
                                    3.8%
                                 | |
| 8 | 2 | 
                                    
                                    3.8%
                                 | |
| 9 | 2 | 
                                    
                                    3.8%
                                 | |
| 10 | 1 | 
                                    
                                    1.9%
                                 | |
| 11 | 2 | 
                                    
                                    3.8%
                                 | |
| 13 | 1 | 
                                    
                                    1.9%
                                 | |
| 15 | 2 | 
                                    
                                    3.8%
                                 | |
| 16 | 1 | 
                                    
                                    1.9%
                                 | |
| 17 | 1 | 
                                    
                                    1.9%
                                 | |
| 19 | 1 | 
                                    
                                    1.9%
                                 | |
| 21 | 2 | 
                                    
                                    3.8%
                                 | |
| 22 | 2 | 
                                    
                                    3.8%
                                 | |
| 23 | 6 | 
                                    
                                    11.5%
                                 | |
| 24 | 2 | 
                                    
                                    3.8%
                                 | |
| 25 | 1 | 
                                    
                                    1.9%
                                 | |
| 26 | 2 | 
                                    
                                    3.8%
                                 | |
| 27 | 2 | 
                                    
                                    3.8%
                                 | |
| 28 | 2 | 
                                    
                                    3.8%
                                 | |
| 29 | 4 | 
                                    
                                    7.7%
                                 | |
| 30 | 3 | 
                                    
                                    5.8%
                                 | |
| 31 | 1 | 
                                    
                                    1.9%
                                 | |
| 88 | Don't know | 0 | 
                                    
                                    0%
                                 | 
| 99 | Missing | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 950 |