| Value | Category | Cases | |
|---|---|---|---|
| 1948 | 1 |
0%
|
|
| 1950 | 1 |
0%
|
|
| 1951 | 1 |
0%
|
|
| 1952 | 1 |
0%
|
|
| 1957 | 3 |
0.1%
|
|
| 1961 | 2 |
0.1%
|
|
| 1962 | 1 |
0%
|
|
| 1966 | 3 |
0.1%
|
|
| 1967 | 2 |
0.1%
|
|
| 1968 | 3 |
0.1%
|
|
| 1969 | 1 |
0%
|
|
| 1970 | 5 |
0.2%
|
|
| 1971 | 3 |
0.1%
|
|
| 1972 | 4 |
0.2%
|
|
| 1973 | 2 |
0.1%
|
|
| 1974 | 3 |
0.1%
|
|
| 1975 | 8 |
0.4%
|
|
| 1976 | 6 |
0.3%
|
|
| 1977 | 16 |
0.7%
|
|
| 1978 | 20 |
0.9%
|
|
| 1979 | 17 |
0.8%
|
|
| 1980 | 30 |
1.4%
|
|
| 1981 | 31 |
1.4%
|
|
| 1982 | 31 |
1.4%
|
|
| 1983 | 46 |
2.2%
|
|
| 1984 | 30 |
1.4%
|
|
| 1985 | 38 |
1.8%
|
|
| 1986 | 49 |
2.3%
|
|
| 1987 | 53 |
2.5%
|
|
| 1988 | 44 |
2.1%
|
|
| 1989 | 45 |
2.1%
|
|
| 1990 | 64 |
3%
|
|
| 1991 | 58 |
2.7%
|
|
| 1992 | 60 |
2.8%
|
|
| 1993 | 62 |
2.9%
|
|
| 1994 | 71 |
3.3%
|
|
| 1995 | 60 |
2.8%
|
|
| 1996 | 51 |
2.4%
|
|
| 1997 | 64 |
3%
|
|
| 1998 | 52 |
2.4%
|
|
| 1999 | 62 |
2.9%
|
|
| 2000 | 54 |
2.5%
|
|
| 2001 | 55 |
2.6%
|
|
| 2002 | 60 |
2.8%
|
|
| 2003 | 61 |
2.9%
|
|
| 2004 | 82 |
3.8%
|
|
| 2005 | 76 |
3.6%
|
|
| 2006 | 63 |
2.9%
|
|
| 2007 | 63 |
2.9%
|
|
| 2008 | 78 |
3.6%
|
|
| 2009 | 73 |
3.4%
|
|
| 2010 | 80 |
3.7%
|
|
| 2011 | 71 |
3.3%
|
|
| 2012 | 53 |
2.5%
|
|
| 2013 | 33 |
1.5%
|
|
| 2014 | 11 |
0.5%
|
|
| 9998 | don't know | 121 |
5.7%
|
| Sysmiss | 14292 |