| Value | Category | Cases | |
|---|---|---|---|
| 1950 | 2 |
0%
|
|
| 1952 | 2 |
0%
|
|
| 1953 | 1 |
0%
|
|
| 1955 | 1 |
0%
|
|
| 1957 | 1 |
0%
|
|
| 1960 | 2 |
0%
|
|
| 1961 | 3 |
0%
|
|
| 1964 | 3 |
0%
|
|
| 1965 | 5 |
0%
|
|
| 1967 | 6 |
0%
|
|
| 1968 | 6 |
0%
|
|
| 1969 | 1 |
0%
|
|
| 1970 | 19 |
0.1%
|
|
| 1971 | 1 |
0%
|
|
| 1973 | 5 |
0%
|
|
| 1974 | 1 |
0%
|
|
| 1975 | 2 |
0%
|
|
| 1976 | 3 |
0%
|
|
| 1977 | 2 |
0%
|
|
| 1978 | 5 |
0%
|
|
| 1979 | 2498 |
15.2%
|
|
| 1980 | 1264 |
7.7%
|
|
| 1981 | 443 |
2.7%
|
|
| 1982 | 835 |
5.1%
|
|
| 1983 | 959 |
5.8%
|
|
| 1984 | 360 |
2.2%
|
|
| 1985 | 608 |
3.7%
|
|
| 1986 | 366 |
2.2%
|
|
| 1987 | 297 |
1.8%
|
|
| 1988 | 280 |
1.7%
|
|
| 1989 | 333 |
2%
|
|
| 1990 | 559 |
3.4%
|
|
| 1991 | 186 |
1.1%
|
|
| 1992 | 302 |
1.8%
|
|
| 1993 | 432 |
2.6%
|
|
| 1994 | 265 |
1.6%
|
|
| 1995 | 331 |
2%
|
|
| 1996 | 237 |
1.4%
|
|
| 1997 | 284 |
1.7%
|
|
| 1998 | 349 |
2.1%
|
|
| 1999 | 504 |
3.1%
|
|
| 2000 | 678 |
4.1%
|
|
| 2001 | 356 |
2.2%
|
|
| 2002 | 368 |
2.2%
|
|
| 2003 | 437 |
2.7%
|
|
| 2004 | 492 |
3%
|
|
| 2005 | 530 |
3.2%
|
|
| 2006 | 530 |
3.2%
|
|
| 2007 | 628 |
3.8%
|
|
| 2008 | 630 |
3.8%
|
|
| 2009 | 42 |
0.3%
|
|
| Sysmiss | 4 |