| Value | Category | Cases | |
|---|---|---|---|
| 1990 | 1 |
1.1%
|
|
| 1991 | 1 |
1.1%
|
|
| 1997 | 1 |
1.1%
|
|
| 2000 | 5 |
5.6%
|
|
| 2001 | 1 |
1.1%
|
|
| 2002 | 1 |
1.1%
|
|
| 2003 | 1 |
1.1%
|
|
| 2004 | 1 |
1.1%
|
|
| 2005 | 2 |
2.2%
|
|
| 2006 | 1 |
1.1%
|
|
| 2008 | 5 |
5.6%
|
|
| 2009 | 8 |
9%
|
|
| 2010 | 13 |
14.6%
|
|
| 2011 | 11 |
12.4%
|
|
| 2012 | 11 |
12.4%
|
|
| 2013 | 9 |
10.1%
|
|
| 2014 | 17 |
19.1%
|
|
| Sysmiss | .don't know | 0 | |
| Sysmiss | .qre refused | 0 | |
| Sysmiss | .refusal | 0 | |
| Sysmiss | .skip | 0 | |
| Sysmiss | .x. censored | 0 | |
| Sysmiss | 1345 |