| Value | Category | Cases | |
|---|---|---|---|
| 1994 | 4 |
0%
|
|
| 1995 | 163 |
1.7%
|
|
| 1996 | 664 |
6.8%
|
|
| 1997 | 669 |
6.8%
|
|
| 1998 | 631 |
6.4%
|
|
| 1999 | 675 |
6.9%
|
|
| 2000 | 671 |
6.8%
|
|
| 2001 | 617 |
6.3%
|
|
| 2002 | 612 |
6.2%
|
|
| 2003 | 677 |
6.9%
|
|
| 2004 | 674 |
6.9%
|
|
| 2005 | 707 |
7.2%
|
|
| 2006 | 718 |
7.3%
|
|
| 2007 | 719 |
7.3%
|
|
| 2008 | 652 |
6.6%
|
|
| 2009 | 583 |
5.9%
|
|
| 2010 | 354 |
3.6%
|
|
| 2011 | 18 |
0.2%
|
|
| 2222 | Not asked in Phase 2 | 0 |
0%
|
| 3333 | Missing | 0 |
0%
|
| 5555 | Not Applicable | 0 |
0%
|
| 8888 | Refused | 0 |
0%
|
| 9999 | Don't know | 4 |
0%
|
| Sysmiss | 1481 |