| Value | Category | Cases | |
|---|---|---|---|
| 2000 | 1 |
0.1%
|
|
| 2001 | 11 |
1.1%
|
|
| 2002 | 14 |
1.4%
|
|
| 2003 | 12 |
1.2%
|
|
| 2004 | 8 |
0.8%
|
|
| 2005 | 24 |
2.4%
|
|
| 2006 | 46 |
4.7%
|
|
| 2007 | 66 |
6.7%
|
|
| 2008 | 85 |
8.6%
|
|
| 2009 | 87 |
8.9%
|
|
| 2010 | 104 |
10.6%
|
|
| 2011 | 103 |
10.5%
|
|
| 2012 | 127 |
12.9%
|
|
| 2013 | 130 |
13.2%
|
|
| 2014 | 109 |
11.1%
|
|
| 2015 | 56 |
5.7%
|
|
| 9997 | inconsistent | 0 |
0%
|
| 9998 | don't know | 0 |
0%
|
| Sysmiss | 5498 |