| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1997 | 1 | 1 |
0%
|
|
| 2000 | 1 | 1 |
0%
|
|
| 2001 | 1 | 1 |
0%
|
|
| 2003 | 3 | 2 |
0%
|
|
| 2004 | 2 | 1 |
0%
|
|
| 2005 | 6 | 4 |
0.1%
|
|
| 2006 | 6 | 5 |
0.1%
|
|
| 2007 | 9 | 9 |
0.2%
|
|
| 2008 | 29 | 26 |
0.5%
|
|
| 2009 | 28 | 22 |
0.4%
|
|
| 2010 | 44 | 39 |
0.7%
|
|
| 2011 | 56 | 48 |
0.9%
|
|
| 2012 | 86 | 89 |
1.7%
|
|
| 2013 | 178 | 187 |
3.5%
|
|
| 2014 | 185 | 198 |
3.7%
|
|
| 2015 | 319 | 348 |
6.5%
|
|
| 9999 | 3 | 1 |
0%
|
|
| Sysmiss | 4435 | 4409 |