| Value | Category | Cases | |
|---|---|---|---|
| 99 | ND | 0 |
0%
|
| 1974 | 1 |
0.8%
|
|
| 1983 | 1 |
0.8%
|
|
| 1985 | 2 |
1.6%
|
|
| 1986 | 1 |
0.8%
|
|
| 1987 | 1 |
0.8%
|
|
| 1990 | 1 |
0.8%
|
|
| 1991 | 1 |
0.8%
|
|
| 1992 | 2 |
1.6%
|
|
| 1993 | 1 |
0.8%
|
|
| 1995 | 1 |
0.8%
|
|
| 1998 | 1 |
0.8%
|
|
| 2000 | 1 |
0.8%
|
|
| 2001 | 2 |
1.6%
|
|
| 2002 | 2 |
1.6%
|
|
| 2003 | 2 |
1.6%
|
|
| 2004 | 2 |
1.6%
|
|
| 2005 | 4 |
3.2%
|
|
| 2007 | 3 |
2.4%
|
|
| 2008 | 5 |
4%
|
|
| 2009 | 4 |
3.2%
|
|
| 2010 | 10 |
8.1%
|
|
| 2011 | 10 |
8.1%
|
|
| 2012 | 19 |
15.3%
|
|
| 2013 | 47 |
37.9%
|
|
| Sysmiss | 1376 |