| Value | Category | Cases | |
|---|---|---|---|
| 1976 | 1 |
3%
|
|
| 1980 | 1 |
3%
|
|
| 1981 | 1 |
3%
|
|
| 1984 | 1 |
3%
|
|
| 1985 | 1 |
3%
|
|
| 1993 | 1 |
3%
|
|
| 1996 | 1 |
3%
|
|
| 1999 | 1 |
3%
|
|
| 2000 | 1 |
3%
|
|
| 2001 | 1 |
3%
|
|
| 2002 | 1 |
3%
|
|
| 2003 | 1 |
3%
|
|
| 2004 | 1 |
3%
|
|
| 2005 | 1 |
3%
|
|
| 2008 | 1 |
3%
|
|
| 2009 | 3 |
9.1%
|
|
| 2010 | 2 |
6.1%
|
|
| 2011 | 2 |
6.1%
|
|
| 2012 | 1 |
3%
|
|
| 2013 | 3 |
9.1%
|
|
| 2014 | 1 |
3%
|
|
| 2015 | 1 |
3%
|
|
| 2016 | 1 |
3%
|
|
| 2017 | 1 |
3%
|
|
| 2018 | 3 |
9.1%
|
|
| 2147483622 | Not applicable | 0 |
0%
|
| 2147483623 | Refusal | 0 |
0%
|
| 2147483624 | Don't know | 0 |
0%
|
| 2147483625 | No answer | 0 |
0%
|
| 10001 | .D | 22388 | |
| Sysmiss | 13594 |