| Value | Category | Cases | |
|---|---|---|---|
| 1935 | 1 |
0.1%
|
|
| 1951 | 1 |
0.1%
|
|
| 1956 | 1 |
0.1%
|
|
| 1960 | 1 |
0.1%
|
|
| 1969 | 1 |
0.1%
|
|
| 1970 | 2 |
0.2%
|
|
| 1973 | 1 |
0.1%
|
|
| 1976 | 1 |
0.1%
|
|
| 1979 | 1 |
0.1%
|
|
| 1980 | 2 |
0.2%
|
|
| 1981 | 1 |
0.1%
|
|
| 1982 | 1 |
0.1%
|
|
| 1984 | 1 |
0.1%
|
|
| 1985 | 2 |
0.2%
|
|
| 1986 | 3 |
0.3%
|
|
| 1987 | 1 |
0.1%
|
|
| 1988 | 2 |
0.2%
|
|
| 1990 | 41 |
4%
|
|
| 1991 | 12 |
1.2%
|
|
| 1992 | 18 |
1.7%
|
|
| 1993 | 15 |
1.5%
|
|
| 1994 | 28 |
2.7%
|
|
| 1995 | 19 |
1.8%
|
|
| 1996 | 14 |
1.4%
|
|
| 1997 | 20 |
1.9%
|
|
| 1998 | 17 |
1.6%
|
|
| 1999 | 17 |
1.6%
|
|
| 2000 | 77 |
7.5%
|
|
| 2001 | 16 |
1.6%
|
|
| 2002 | 28 |
2.7%
|
|
| 2003 | 26 |
2.5%
|
|
| 2004 | 59 |
5.7%
|
|
| 2005 | 30 |
2.9%
|
|
| 2006 | 40 |
3.9%
|
|
| 2007 | 44 |
4.3%
|
|
| 2008 | 59 |
5.7%
|
|
| 2009 | 57 |
5.5%
|
|
| 2010 | 98 |
9.5%
|
|
| 2011 | 64 |
6.2%
|
|
| 2012 | 90 |
8.7%
|
|
| 2013 | 113 |
11%
|
|
| 2014 | 6 |
0.6%
|
|
| Sysmiss | .don't know | 0 | |
| Sysmiss | .qre refused | 0 | |
| Sysmiss | .refusal | 0 | |
| Sysmiss | .skip | 0 | |
| Sysmiss | .x. censored | 0 | |
| Sysmiss | 403 |