| Value | Category | Cases | |
|---|---|---|---|
| 99 | ND | 0 |
0%
|
| 1983 | 1 |
1.9%
|
|
| 1986 | 1 |
1.9%
|
|
| 1989 | 1 |
1.9%
|
|
| 1990 | 2 |
3.8%
|
|
| 1995 | 1 |
1.9%
|
|
| 1996 | 1 |
1.9%
|
|
| 1997 | 1 |
1.9%
|
|
| 1998 | 1 |
1.9%
|
|
| 2000 | 2 |
3.8%
|
|
| 2002 | 4 |
7.7%
|
|
| 2003 | 3 |
5.8%
|
|
| 2004 | 1 |
1.9%
|
|
| 2005 | 6 |
11.5%
|
|
| 2006 | 5 |
9.6%
|
|
| 2007 | 2 |
3.8%
|
|
| 2008 | 2 |
3.8%
|
|
| 2010 | 5 |
9.6%
|
|
| 2011 | 5 |
9.6%
|
|
| 2012 | 4 |
7.7%
|
|
| 2013 | 4 |
7.7%
|
|
| Sysmiss | 1448 |