| Value | Category | Cases | |
|---|---|---|---|
| 1982 | 2 | 
                                    
                                    0%
                                 | |
| 1983 | 4 | 
                                    
                                    0%
                                 | |
| 1984 | 6 | 
                                    
                                    0.1%
                                 | |
| 1985 | 20 | 
                                    
                                    0.2%
                                 | |
| 1986 | 31 | 
                                    
                                    0.4%
                                 | |
| 1987 | 54 | 
                                    
                                    0.7%
                                 | |
| 1988 | 59 | 
                                    
                                    0.7%
                                 | |
| 1989 | 74 | 
                                    
                                    0.9%
                                 | |
| 1990 | 103 | 
                                    
                                    1.3%
                                 | |
| 1991 | 92 | 
                                    
                                    1.1%
                                 | |
| 1992 | 99 | 
                                    
                                    1.2%
                                 | |
| 1993 | 107 | 
                                    
                                    1.3%
                                 | |
| 1994 | 119 | 
                                    
                                    1.4%
                                 | |
| 1995 | 141 | 
                                    
                                    1.7%
                                 | |
| 1996 | 109 | 
                                    
                                    1.3%
                                 | |
| 1997 | 128 | 
                                    
                                    1.6%
                                 | |
| 1998 | 137 | 
                                    
                                    1.7%
                                 | |
| 1999 | 131 | 
                                    
                                    1.6%
                                 | |
| 2000 | 156 | 
                                    
                                    1.9%
                                 | |
| 2001 | 125 | 
                                    
                                    1.5%
                                 | |
| 2002 | 137 | 
                                    
                                    1.7%
                                 | |
| 2003 | 128 | 
                                    
                                    1.6%
                                 | |
| 2004 | 153 | 
                                    
                                    1.9%
                                 | |
| 2005 | 147 | 
                                    
                                    1.8%
                                 | |
| 2006 | 149 | 
                                    
                                    1.8%
                                 | |
| 2007 | 187 | 
                                    
                                    2.3%
                                 | |
| 2008 | 162 | 
                                    
                                    2%
                                 | |
| 2009 | 194 | 
                                    
                                    2.4%
                                 | |
| 2010 | 204 | 
                                    
                                    2.5%
                                 | |
| 2011 | 162 | 
                                    
                                    2%
                                 | |
| 2012 | 142 | 
                                    
                                    1.7%
                                 | |
| 2013 | 98 | 
                                    
                                    1.2%
                                 | |
| 2014 | 96 | 
                                    
                                    1.2%
                                 | |
| 2015 | 49 | 
                                    
                                    0.6%
                                 | |
| 2016 | 15 | 
                                    
                                    0.2%
                                 | |
| 2017 | 4 | 
                                    
                                    0%
                                 | |
| 9998 | NO SABE | 27 | 
                                    
                                    0.3%
                                 | 
| Sysmiss | 4466 | 
                                    
                                    54.4%
                                 |