| Value | Category | Cases | |
|---|---|---|---|
| 1992 | 3 | 
                                    
                                    21.4%
                                 | |
| 1999 | 2 | 
                                    
                                    14.3%
                                 | |
| 2005 | 2 | 
                                    
                                    14.3%
                                 | |
| 2007 | 3 | 
                                    
                                    21.4%
                                 | |
| 2008 | 1 | 
                                    
                                    7.1%
                                 | |
| 2010 | 1 | 
                                    
                                    7.1%
                                 | |
| 2011 | 1 | 
                                    
                                    7.1%
                                 | |
| 9998 | ne sait pas | 1 | 
                                    
                                    7.1%
                                 | 
| 9999 | manquant | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 6650 |