| Value | Category | Cases | |
|---|---|---|---|
| 1950 | 1 | 0 |
0%
|
| 1996 | 1 |
0.5%
|
|
| 2000 | 1 |
0.5%
|
|
| 2003 | 1 |
0.5%
|
|
| 2004 | 1 |
0.5%
|
|
| 2009 | 2 |
1%
|
|
| 2010 | 7 |
3.6%
|
|
| 2011 | 16 |
8.2%
|
|
| 2012 | 102 |
52%
|
|
| 2013 | 36 |
18.4%
|
|
| 2015 | 2 | 0 |
0%
|
| 9997 | 3 | 5 |
2.6%
|
| 9999 | 4 | 24 |
12.2%
|
| Sysmiss | 1708 |