| قيمة | فئة | حالات | |
|---|---|---|---|
| 2000 | 3 |
1.3%
|
|
| 2001 | 1 |
0.4%
|
|
| 2003 | 2 |
0.9%
|
|
| 2004 | 1 |
0.4%
|
|
| 2005 | 2 |
0.9%
|
|
| 2006 | 4 |
1.7%
|
|
| 2007 | 11 |
4.7%
|
|
| 2008 | 4 |
1.7%
|
|
| 2009 | 13 |
5.6%
|
|
| 2010 | 16 |
6.8%
|
|
| 2011 | 9 |
3.8%
|
|
| 2012 | 24 |
10.3%
|
|
| 2013 | 27 |
11.5%
|
|
| 2014 | 35 |
15%
|
|
| 2015 | 77 |
32.9%
|
|
| 9998 | Don't know | 5 |
2.1%
|
| Sysmiss | 15562 |