| Value | Category | Cases | |
|---|---|---|---|
| 1925 | 1 |
0.1%
|
|
| 1930 | 1 |
0.1%
|
|
| 1950 | 1 |
0.1%
|
|
| 1955 | 1 |
0.1%
|
|
| 1959 | 1 |
0.1%
|
|
| 1961 | 1 |
0.1%
|
|
| 1962 | 3 |
0.2%
|
|
| 1963 | 1 |
0.1%
|
|
| 1966 | 2 |
0.2%
|
|
| 1969 | 1 |
0.1%
|
|
| 1972 | 1 |
0.1%
|
|
| 1973 | 1 |
0.1%
|
|
| 1975 | 1 |
0.1%
|
|
| 1976 | 2 |
0.2%
|
|
| 1977 | 1 |
0.1%
|
|
| 1978 | 1 |
0.1%
|
|
| 1979 | 1 |
0.1%
|
|
| 1980 | 1 |
0.1%
|
|
| 1981 | 1 |
0.1%
|
|
| 1984 | 1 |
0.1%
|
|
| 1985 | 1 |
0.1%
|
|
| 1987 | 3 |
0.2%
|
|
| 1988 | 1 |
0.1%
|
|
| 1990 | 4 |
0.3%
|
|
| 1991 | 3 |
0.2%
|
|
| 1992 | 1 |
0.1%
|
|
| 1994 | 2 |
0.2%
|
|
| 1995 | 14 |
1.1%
|
|
| 1996 | 4 |
0.3%
|
|
| 1997 | 10 |
0.8%
|
|
| 1998 | 21 |
1.6%
|
|
| 1999 | 11 |
0.8%
|
|
| 2000 | 15 |
1.1%
|
|
| 2001 | 21 |
1.6%
|
|
| 2002 | 22 |
1.7%
|
|
| 2003 | 21 |
1.6%
|
|
| 2004 | 28 |
2.1%
|
|
| 2005 | 64 |
4.9%
|
|
| 2006 | 85 |
6.5%
|
|
| 2007 | 95 |
7.2%
|
|
| 2008 | 119 |
9.1%
|
|
| 2009 | 152 |
11.6%
|
|
| 2010 | 209 |
15.9%
|
|
| 2011 | 234 |
17.8%
|
|
| 2012 | 3 |
0.2%
|
|
| 9999 | Not specified | 145 |
11.1%
|
| Sysmiss | 284 |