| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 | 
                                    
                                    0.2%
                                 | |
| 1 | 5 | 
                                    
                                    0.2%
                                 | |
| 2 | 3 | 
                                    
                                    0.1%
                                 | |
| 3 | 10 | 
                                    
                                    0.5%
                                 | |
| 4 | 33 | 
                                    
                                    1.5%
                                 | |
| 5 | 93 | 
                                    
                                    4.3%
                                 | |
| 6 | 137 | 
                                    
                                    6.4%
                                 | |
| 7 | 241 | 
                                    
                                    11.2%
                                 | |
| 8 | 343 | 
                                    
                                    15.9%
                                 | |
| 9 | 298 | 
                                    
                                    13.8%
                                 | |
| 10 | 227 | 
                                    
                                    10.5%
                                 | |
| 11 | 202 | 
                                    
                                    9.4%
                                 | |
| 12 | 157 | 
                                    
                                    7.3%
                                 | |
| 13 | 60 | 
                                    
                                    2.8%
                                 | |
| 14 | 38 | 
                                    
                                    1.8%
                                 | |
| 15 | 31 | 
                                    
                                    1.4%
                                 | |
| 16 | 25 | 
                                    
                                    1.2%
                                 | |
| 17 | 8 | 
                                    
                                    0.4%
                                 | |
| 18 | 9 | 
                                    
                                    0.4%
                                 | |
| 19 | 1 | 
                                    
                                    0%
                                 | |
| 20 | 1 | 
                                    
                                    0%
                                 | |
| 23 | 1 | 
                                    
                                    0%
                                 | |
| 98 | DK | 71 | 
                                    
                                    3.3%
                                 | 
| Sysmiss | 155 | 
                                    
                                    7.2%
                                 |