| Value | Category | Cases | |
|---|---|---|---|
| 1950 | 1 |
0.1%
|
|
| 1961 | 1 |
0.1%
|
|
| 1962 | 1 |
0.1%
|
|
| 1964 | 2 |
0.1%
|
|
| 1965 | 3 |
0.2%
|
|
| 1969 | 2 |
0.1%
|
|
| 1970 | 7 |
0.4%
|
|
| 1971 | 1 |
0.1%
|
|
| 1972 | 2 |
0.1%
|
|
| 1973 | 3 |
0.2%
|
|
| 1974 | 6 |
0.4%
|
|
| 1975 | 12 |
0.8%
|
|
| 1976 | 1 |
0.1%
|
|
| 1977 | 5 |
0.3%
|
|
| 1978 | 3 |
0.2%
|
|
| 1979 | 3 |
0.2%
|
|
| 1980 | 14 |
0.9%
|
|
| 1981 | 2 |
0.1%
|
|
| 1982 | 6 |
0.4%
|
|
| 1983 | 2 |
0.1%
|
|
| 1984 | 3 |
0.2%
|
|
| 1985 | 20 |
1.3%
|
|
| 1986 | 2 |
0.1%
|
|
| 1987 | 6 |
0.4%
|
|
| 1988 | 4 |
0.3%
|
|
| 1989 | 11 |
0.7%
|
|
| 1990 | 25 |
1.6%
|
|
| 1991 | 7 |
0.4%
|
|
| 1992 | 9 |
0.6%
|
|
| 1993 | 13 |
0.8%
|
|
| 1994 | 9 |
0.6%
|
|
| 1995 | 35 |
2.2%
|
|
| 1996 | 14 |
0.9%
|
|
| 1997 | 21 |
1.3%
|
|
| 1998 | 26 |
1.7%
|
|
| 1999 | 30 |
1.9%
|
|
| 2000 | 114 |
7.3%
|
|
| 2001 | 45 |
2.9%
|
|
| 2002 | 41 |
2.6%
|
|
| 2003 | 44 |
2.8%
|
|
| 2004 | 30 |
1.9%
|
|
| 2005 | 91 |
5.8%
|
|
| 2006 | 38 |
2.4%
|
|
| 2007 | 60 |
3.8%
|
|
| 2008 | 60 |
3.8%
|
|
| 2009 | 52 |
3.3%
|
|
| 2010 | 88 |
5.6%
|
|
| 2011 | 83 |
5.3%
|
|
| 2012 | 75 |
4.8%
|
|
| 2013 | 107 |
6.8%
|
|
| 2014 | 127 |
8.1%
|
|
| 2015 | 119 |
7.6%
|
|
| 2016 | 6 |
0.4%
|
|
| 9998 | don't know | 75 |
4.8%
|
| Sysmiss | 43047 |