| Value | Category | Cases | |
|---|---|---|---|
| 1996 | 5 |
0%
|
|
| 1997 | 322 |
2.9%
|
|
| 1998 | 701 |
6.3%
|
|
| 1999 | 748 |
6.7%
|
|
| 2000 | 764 |
6.8%
|
|
| 2001 | 711 |
6.4%
|
|
| 2002 | 679 |
6.1%
|
|
| 2003 | 739 |
6.6%
|
|
| 2004 | 784 |
7%
|
|
| 2005 | 774 |
6.9%
|
|
| 2006 | 811 |
7.2%
|
|
| 2007 | 813 |
7.3%
|
|
| 2008 | 839 |
7.5%
|
|
| 2009 | 729 |
6.5%
|
|
| 2010 | 717 |
6.4%
|
|
| 2011 | 658 |
5.9%
|
|
| 2012 | 392 |
3.5%
|
|
| 3333 | Missing | 0 |
0%
|
| 5555 | Not Applicable | 0 |
0%
|
| 8888 | Refused | 0 |
0%
|
| 9999 | Don't know | 3 |
0%
|
| Sysmiss | 1027 |