| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not applicable | 1 |
0.2%
|
| 1986 | 1 |
0.2%
|
|
| 1993 | 1 |
0.2%
|
|
| 1997 | 1 |
0.2%
|
|
| 1998 | 2 |
0.3%
|
|
| 2002 | 1 |
0.2%
|
|
| 2003 | 1 |
0.2%
|
|
| 2004 | 3 |
0.5%
|
|
| 2005 | 4 |
0.7%
|
|
| 2006 | 8 |
1.3%
|
|
| 2007 | 11 |
1.8%
|
|
| 2008 | 11 |
1.8%
|
|
| 2009 | 22 |
3.7%
|
|
| 2010 | 41 |
6.9%
|
|
| 2011 | 49 |
8.2%
|
|
| 2012 | 95 |
15.9%
|
|
| 2013 | 232 |
38.9%
|
|
| 2014 | 111 |
18.6%
|
|
| 9999 | Missing | 1 |
0.2%
|
| Sysmiss | 65824 |