| Value | Category | Cases | |
|---|---|---|---|
| 1994 | 1 |
5.9%
|
|
| 1995 | 1 |
5.9%
|
|
| 1996 | 2 |
11.8%
|
|
| 1999 | 1 |
5.9%
|
|
| 2002 | 1 |
5.9%
|
|
| 2003 | 1 |
5.9%
|
|
| 2005 | 1 |
5.9%
|
|
| 2006 | 1 |
5.9%
|
|
| 2008 | 2 |
11.8%
|
|
| 2009 | 2 |
11.8%
|
|
| 2010 | 1 |
5.9%
|
|
| 2011 | 1 |
5.9%
|
|
| 2013 | 1 |
5.9%
|
|
| 2014 | 1 |
5.9%
|
|
| 9998 | don't know | 0 |
0%
|
| Sysmiss | 12898 |