| Value | Category | Cases | |
|---|---|---|---|
| 1950 | 45 |
0.4%
|
|
| 1952 | 7 |
0.1%
|
|
| 1953 | 4 |
0%
|
|
| 1954 | 5 |
0%
|
|
| 1955 | 8 |
0.1%
|
|
| 1956 | 5 |
0%
|
|
| 1957 | 4 |
0%
|
|
| 1958 | 19 |
0.2%
|
|
| 1959 | 3 |
0%
|
|
| 1960 | 67 |
0.6%
|
|
| 1962 | 8 |
0.1%
|
|
| 1963 | 12 |
0.1%
|
|
| 1964 | 20 |
0.2%
|
|
| 1965 | 24 |
0.2%
|
|
| 1966 | 19 |
0.2%
|
|
| 1967 | 12 |
0.1%
|
|
| 1968 | 41 |
0.4%
|
|
| 1969 | 12 |
0.1%
|
|
| 1970 | 94 |
0.8%
|
|
| 1971 | 7 |
0.1%
|
|
| 1972 | 57 |
0.5%
|
|
| 1973 | 26 |
0.2%
|
|
| 1974 | 23 |
0.2%
|
|
| 1975 | 52 |
0.5%
|
|
| 1976 | 52 |
0.5%
|
|
| 1977 | 18 |
0.2%
|
|
| 1978 | 115 |
1%
|
|
| 1979 | 38 |
0.3%
|
|
| 1980 | 166 |
1.5%
|
|
| 1981 | 37 |
0.3%
|
|
| 1982 | 53 |
0.5%
|
|
| 1983 | 66 |
0.6%
|
|
| 1984 | 51 |
0.5%
|
|
| 1985 | 116 |
1%
|
|
| 1986 | 70 |
0.6%
|
|
| 1987 | 77 |
0.7%
|
|
| 1988 | 208 |
1.9%
|
|
| 1989 | 67 |
0.6%
|
|
| 1990 | 170 |
1.5%
|
|
| 1991 | 45 |
0.4%
|
|
| 1992 | 66 |
0.6%
|
|
| 1993 | 97 |
0.9%
|
|
| 1994 | 58 |
0.5%
|
|
| 1995 | 110 |
1%
|
|
| 1996 | 80 |
0.7%
|
|
| 1997 | 67 |
0.6%
|
|
| 1998 | 383 |
3.5%
|
|
| 1999 | 179 |
1.6%
|
|
| 2000 | 406 |
3.7%
|
|
| 2001 | 136 |
1.2%
|
|
| 2002 | 133 |
1.2%
|
|
| 2003 | 272 |
2.5%
|
|
| 2004 | 81 |
0.7%
|
|
| 2005 | 190 |
1.7%
|
|
| 2006 | 114 |
1%
|
|
| 2007 | 107 |
1%
|
|
| 2008 | 396 |
3.6%
|
|
| 2009 | 146 |
1.3%
|
|
| 2010 | 334 |
3%
|
|
| 2011 | 220 |
2%
|
|
| 2012 | 252 |
2.3%
|
|
| 2013 | 423 |
3.8%
|
|
| 2014 | 379 |
3.4%
|
|
| 2015 | 435 |
3.9%
|
|
| 2016 | 365 |
3.3%
|
|
| 2017 | 484 |
4.4%
|
|
| 2018 | 1000 |
9%
|
|
| 9999 | 9999. DON'T KNOW | 2230 |
20.2%
|
| Sysmiss | 10 |