| Value | Category | Cases | |
|---|---|---|---|
| 1997 | 1 |
0%
|
|
| 1999 | 10 |
0.2%
|
|
| 2000 | 6 |
0.1%
|
|
| 2001 | 17 |
0.3%
|
|
| 2002 | 26 |
0.4%
|
|
| 2003 | 119 |
1.8%
|
|
| 2004 | 300 |
4.6%
|
|
| 2005 | 485 |
7.5%
|
|
| 2006 | 582 |
9%
|
|
| 2007 | 557 |
8.6%
|
|
| 2008 | 672 |
10.4%
|
|
| 2009 | 598 |
9.2%
|
|
| 2010 | 667 |
10.3%
|
|
| 2011 | 862 |
13.3%
|
|
| 2012 | 695 |
10.8%
|
|
| 3333 | Missing | 66 |
1%
|
| 5555 | Not Applicable | 0 |
0%
|
| 8888 | Refused | 0 |
0%
|
| 9999 | Don't know | 802 |
12.4%
|
| Sysmiss | 5751 |