| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2001 | 10 |
0.2%
|
| 2 | 2002 | 5 |
0.1%
|
| 3 | 2003 | 11 |
0.2%
|
| 4 | 2004 | 9 |
0.2%
|
| 5 | 2005 | 13 |
0.3%
|
| 6 | 2006 | 12 |
0.3%
|
| 7 | 2007 | 13 |
0.3%
|
| 8 | 2008 | 77 |
1.7%
|
| 9 | 2009 | 82 |
1.9%
|
| 10 | 2010 | 275 |
6.2%
|
| 11 | 2011 | 263 |
6%
|
| 12 | 2012 | 537 |
12.2%
|
| 13 | 2013 | 957 |
21.7%
|
| 14 | 2014 | 882 |
20%
|
| 15 | 2015 | 697 |
15.8%
|
| 99 | Don't remeber | 574 |
13%
|
| Sysmiss | 8063 |