| Value | Category | Cases | |
|---|---|---|---|
| 1948 | 1 |
0%
|
|
| 1952 | 1 |
0%
|
|
| 1954 | 3 |
0.1%
|
|
| 1956 | 1 |
0%
|
|
| 1957 | 3 |
0.1%
|
|
| 1958 | 2 |
0%
|
|
| 1959 | 1 |
0%
|
|
| 1960 | 4 |
0.1%
|
|
| 1961 | 2 |
0%
|
|
| 1962 | 3 |
0.1%
|
|
| 1963 | 1 |
0%
|
|
| 1964 | 6 |
0.1%
|
|
| 1965 | 5 |
0.1%
|
|
| 1966 | 12 |
0.2%
|
|
| 1967 | 4 |
0.1%
|
|
| 1968 | 13 |
0.2%
|
|
| 1969 | 12 |
0.2%
|
|
| 1970 | 20 |
0.4%
|
|
| 1971 | 16 |
0.3%
|
|
| 1972 | 14 |
0.3%
|
|
| 1973 | 16 |
0.3%
|
|
| 1974 | 20 |
0.4%
|
|
| 1975 | 17 |
0.3%
|
|
| 1976 | 24 |
0.4%
|
|
| 1977 | 34 |
0.6%
|
|
| 1978 | 24 |
0.4%
|
|
| 1979 | 30 |
0.5%
|
|
| 1980 | 49 |
0.9%
|
|
| 1981 | 36 |
0.7%
|
|
| 1982 | 37 |
0.7%
|
|
| 1983 | 32 |
0.6%
|
|
| 1984 | 56 |
1%
|
|
| 1985 | 37 |
0.7%
|
|
| 1986 | 35 |
0.6%
|
|
| 1987 | 40 |
0.7%
|
|
| 1988 | 59 |
1.1%
|
|
| 1989 | 52 |
0.9%
|
|
| 1990 | 45 |
0.8%
|
|
| 1991 | 43 |
0.8%
|
|
| 1992 | 73 |
1.3%
|
|
| 1993 | 55 |
1%
|
|
| 1994 | 59 |
1.1%
|
|
| 1995 | 77 |
1.4%
|
|
| 1996 | 83 |
1.5%
|
|
| 1997 | 68 |
1.2%
|
|
| 1998 | 98 |
1.8%
|
|
| 1999 | 78 |
1.4%
|
|
| 2000 | 110 |
2%
|
|
| 2001 | 91 |
1.7%
|
|
| 2002 | 127 |
2.3%
|
|
| 2003 | 113 |
2.1%
|
|
| 2004 | 147 |
2.7%
|
|
| 2005 | 158 |
2.9%
|
|
| 2006 | 205 |
3.7%
|
|
| 2007 | 222 |
4%
|
|
| 2008 | 305 |
5.5%
|
|
| 2009 | 468 |
8.5%
|
|
| 2010 | 679 |
12.3%
|
|
| 2011 | 490 |
8.9%
|
|
| 2012 | 528 |
9.6%
|
|
| 2013 | 222 |
4%
|
|
| 2014 | 132 |
2.4%
|
|
| 2015 | 5 |
0.1%
|
|
| 9999 | DON'T KNOW | 98 |
1.8%
|
| Sysmiss | 78205 |