| Value | Category | Cases | |
|---|---|---|---|
| 1996 | 2 |
0.6%
|
|
| 1997 | 2 |
0.6%
|
|
| 1998 | 1 |
0.3%
|
|
| 1999 | 1 |
0.3%
|
|
| 2000 | 7 |
2.1%
|
|
| 2001 | 11 |
3.3%
|
|
| 2002 | 6 |
1.8%
|
|
| 2003 | 22 |
6.6%
|
|
| 2004 | 14 |
4.2%
|
|
| 2005 | 22 |
6.6%
|
|
| 2006 | 20 |
6%
|
|
| 2007 | 61 |
18.4%
|
|
| 2008 | 109 |
32.9%
|
|
| 3333 | Missing | 18 |
5.4%
|
| 5555 | Not Applicable | 0 |
0%
|
| 7777 | Never Moved | 0 |
0%
|
| 8888 | Refused | 0 |
0%
|
| 9999 | Don't know | 35 |
10.6%
|
| Sysmiss | 9273 |