| Value | Category | Cases | |
|---|---|---|---|
| 1989 | 1 |
2.3%
|
|
| 1993 | 1 |
2.3%
|
|
| 1995 | 1 |
2.3%
|
|
| 1997 | 2 |
4.5%
|
|
| 1999 | 1 |
2.3%
|
|
| 2004 | 1 |
2.3%
|
|
| 2006 | 3 |
6.8%
|
|
| 2007 | 3 |
6.8%
|
|
| 2008 | 3 |
6.8%
|
|
| 2009 | 3 |
6.8%
|
|
| 2010 | 8 |
18.2%
|
|
| 2011 | 3 |
6.8%
|
|
| 2012 | 3 |
6.8%
|
|
| 2013 | 5 |
11.4%
|
|
| 2014 | 5 |
11.4%
|
|
| 2015 | 1 |
2.3%
|
|
| 2147483622 | Not applicable | 0 |
0%
|
| 2147483623 | Refusal | 0 |
0%
|
| 2147483624 | Don't know | 0 |
0%
|
| 2147483625 | No answer | 0 |
0%
|
| 10001 | .D | 25496 | |
| Sysmiss | 14645 |