| Value | Category | Cases | |
|---|---|---|---|
| 1928 | 1 |
0.2%
|
|
| 1966 | 1 |
0.2%
|
|
| 1972 | 1 |
0.2%
|
|
| 1974 | 1 |
0.2%
|
|
| 1976 | 1 |
0.2%
|
|
| 1979 | 1 |
0.2%
|
|
| 1981 | 1 |
0.2%
|
|
| 1983 | 1 |
0.2%
|
|
| 1984 | 2 |
0.4%
|
|
| 1985 | 1 |
0.2%
|
|
| 1987 | 1 |
0.2%
|
|
| 1989 | 1 |
0.2%
|
|
| 1990 | 2 |
0.4%
|
|
| 1991 | 4 |
0.8%
|
|
| 1992 | 1 |
0.2%
|
|
| 1994 | 1 |
0.2%
|
|
| 1995 | 9 |
1.7%
|
|
| 1996 | 6 |
1.1%
|
|
| 1997 | 9 |
1.7%
|
|
| 1998 | 11 |
2.1%
|
|
| 1999 | 5 |
0.9%
|
|
| 2000 | 17 |
3.2%
|
|
| 2001 | 11 |
2.1%
|
|
| 2002 | 8 |
1.5%
|
|
| 2003 | 10 |
1.9%
|
|
| 2004 | 24 |
4.5%
|
|
| 2005 | 33 |
6.2%
|
|
| 2006 | 32 |
6%
|
|
| 2007 | 58 |
10.9%
|
|
| 2008 | 79 |
14.8%
|
|
| 2009 | 66 |
12.4%
|
|
| 2010 | 66 |
12.4%
|
|
| 2011 | 63 |
11.8%
|
|
| 2012 | 3 |
0.6%
|
|
| 9999 | Not specified | 2 |
0.4%
|
| Sysmiss | 1063 |