| Value | Category | Cases | |
|---|---|---|---|
| 99 | ND | 0 |
0%
|
| 1981 | 1 |
0.6%
|
|
| 1983 | 1 |
0.6%
|
|
| 1992 | 1 |
0.6%
|
|
| 1995 | 1 |
0.6%
|
|
| 2000 | 1 |
0.6%
|
|
| 2002 | 1 |
0.6%
|
|
| 2004 | 1 |
0.6%
|
|
| 2006 | 3 |
1.9%
|
|
| 2007 | 3 |
1.9%
|
|
| 2008 | 3 |
1.9%
|
|
| 2009 | 3 |
1.9%
|
|
| 2010 | 6 |
3.9%
|
|
| 2011 | 12 |
7.7%
|
|
| 2012 | 25 |
16.1%
|
|
| 2013 | 93 |
60%
|
|
| Sysmiss | 1345 |