| Value | Category | Cases | |
|---|---|---|---|
| 1993 | 1 |
2.6%
|
|
| 1994 | 1 |
2.6%
|
|
| 1998 | 1 |
2.6%
|
|
| 2001 | 2 |
5.1%
|
|
| 2002 | 2 |
5.1%
|
|
| 2003 | 2 |
5.1%
|
|
| 2007 | 2 |
5.1%
|
|
| 2008 | 5 |
12.8%
|
|
| 2009 | 2 |
5.1%
|
|
| 2010 | 4 |
10.3%
|
|
| 2011 | 4 |
10.3%
|
|
| 2012 | 11 |
28.2%
|
|
| 3333 | Missing | 0 |
0%
|
| 5555 | Not Applicable | 0 |
0%
|
| 8888 | Refused | 0 |
0%
|
| 9999 | Don't know | 2 |
5.1%
|
| Sysmiss | 22427 |