| Value | Category | Cases | |
|---|---|---|---|
| 1954 | 1 |
1%
|
|
| 1961 | 1 |
1%
|
|
| 1973 | 1 |
1%
|
|
| 1982 | 1 |
1%
|
|
| 1989 | 2 |
2.1%
|
|
| 1990 | 1 |
1%
|
|
| 1992 | 2 |
2.1%
|
|
| 1994 | 1 |
1%
|
|
| 1995 | 3 |
3.1%
|
|
| 1996 | 2 |
2.1%
|
|
| 1997 | 2 |
2.1%
|
|
| 1998 | 4 |
4.2%
|
|
| 1999 | 3 |
3.1%
|
|
| 2000 | 1 |
1%
|
|
| 2001 | 4 |
4.2%
|
|
| 2002 | 3 |
3.1%
|
|
| 2003 | 6 |
6.3%
|
|
| 2004 | 2 |
2.1%
|
|
| 2005 | 9 |
9.4%
|
|
| 2006 | 4 |
4.2%
|
|
| 2007 | 1 |
1%
|
|
| 2008 | 6 |
6.3%
|
|
| 2009 | 10 |
10.4%
|
|
| 2010 | 6 |
6.3%
|
|
| 2011 | 10 |
10.4%
|
|
| 2012 | 9 |
9.4%
|
|
| 2013 | 1 |
1%
|
|
| 2147483622 | Not applicable | 0 |
0%
|
| 2147483623 | Refusal | 0 |
0%
|
| 2147483624 | Don't know | 0 |
0%
|
| 2147483625 | No answer | 0 |
0%
|
| 10001 | .D | 37511 | |
| Sysmiss | 17066 |