| Value | Category | Cases | |
|---|---|---|---|
| 2007 | 1 |
0.4%
|
|
| 2008 | 1 |
0.4%
|
|
| 2009 | 8 |
3%
|
|
| 2010 | 15 |
5.6%
|
|
| 2011 | 39 |
14.6%
|
|
| 2012 | 149 |
55.8%
|
|
| 2013 | 54 |
20.2%
|
|
| 9998 | TIDAK TAHU | 0 |
0%
|
| 9999 | missing | 0 |
0%
|
| Sysmiss | 43 |