| Value | Category | Cases | |
|---|---|---|---|
| 1949 | 1 |
0.1%
|
|
| 1952 | 1 |
0.1%
|
|
| 1953 | 1 |
0.1%
|
|
| 1954 | 2 |
0.1%
|
|
| 1955 | 1 |
0.1%
|
|
| 1957 | 2 |
0.1%
|
|
| 1958 | 2 |
0.1%
|
|
| 1959 | 1 |
0.1%
|
|
| 1960 | 1 |
0.1%
|
|
| 1961 | 1 |
0.1%
|
|
| 1962 | 4 |
0.2%
|
|
| 1963 | 2 |
0.1%
|
|
| 1964 | 5 |
0.3%
|
|
| 1965 | 3 |
0.2%
|
|
| 1966 | 7 |
0.4%
|
|
| 1967 | 6 |
0.3%
|
|
| 1968 | 8 |
0.4%
|
|
| 1969 | 10 |
0.5%
|
|
| 1970 | 12 |
0.6%
|
|
| 1971 | 5 |
0.3%
|
|
| 1972 | 12 |
0.6%
|
|
| 1973 | 7 |
0.4%
|
|
| 1974 | 12 |
0.6%
|
|
| 1975 | 6 |
0.3%
|
|
| 1976 | 5 |
0.3%
|
|
| 1977 | 5 |
0.3%
|
|
| 1978 | 11 |
0.6%
|
|
| 1979 | 6 |
0.3%
|
|
| 1980 | 11 |
0.6%
|
|
| 1981 | 5 |
0.3%
|
|
| 1982 | 15 |
0.8%
|
|
| 1983 | 14 |
0.7%
|
|
| 1984 | 14 |
0.7%
|
|
| 1985 | 30 |
1.6%
|
|
| 1986 | 17 |
0.9%
|
|
| 1987 | 34 |
1.8%
|
|
| 1988 | 36 |
1.9%
|
|
| 1989 | 34 |
1.8%
|
|
| 1990 | 47 |
2.5%
|
|
| 1991 | 39 |
2.1%
|
|
| 1992 | 50 |
2.7%
|
|
| 1993 | 35 |
1.9%
|
|
| 1994 | 68 |
3.6%
|
|
| 1995 | 49 |
2.6%
|
|
| 1996 | 50 |
2.7%
|
|
| 1997 | 55 |
2.9%
|
|
| 1998 | 52 |
2.8%
|
|
| 1999 | 62 |
3.3%
|
|
| 2000 | 51 |
2.7%
|
|
| 2001 | 63 |
3.4%
|
|
| 2002 | 64 |
3.4%
|
|
| 2003 | 56 |
3%
|
|
| 2004 | 57 |
3%
|
|
| 2005 | 78 |
4.2%
|
|
| 2006 | 75 |
4%
|
|
| 2007 | 75 |
4%
|
|
| 2008 | 87 |
4.6%
|
|
| 2009 | 96 |
5.1%
|
|
| 2010 | 75 |
4%
|
|
| 2011 | 73 |
3.9%
|
|
| 2012 | 67 |
3.6%
|
|
| 2013 | 89 |
4.7%
|
|
| 2014 | 13 |
0.7%
|
|
| 9998 | don't know | 0 |
0%
|
| Sysmiss | 14555 |