| Value | Category | Cases | |
|---|---|---|---|
| 1990 | 1 |
0.1%
|
|
| 1993 | 6 |
0.4%
|
|
| 1994 | 7 |
0.5%
|
|
| 1995 | 6 |
0.4%
|
|
| 1996 | 10 |
0.7%
|
|
| 1997 | 22 |
1.5%
|
|
| 1998 | 41 |
2.9%
|
|
| 1999 | 34 |
2.4%
|
|
| 2000 | 34 |
2.4%
|
|
| 2001 | 53 |
3.7%
|
|
| 2002 | 71 |
5%
|
|
| 2003 | 84 |
5.9%
|
|
| 2004 | 90 |
6.3%
|
|
| 2005 | 118 |
8.3%
|
|
| 2006 | 144 |
10.1%
|
|
| 2007 | 115 |
8%
|
|
| 2008 | 54 |
3.8%
|
|
| 3333 | Missing | 154 |
10.8%
|
| 5555 | Not Applicable | 0 |
0%
|
| 7777 | Never Moved | 0 |
0%
|
| 8888 | Refused | 1 |
0.1%
|
| 9999 | Don't know | 385 |
26.9%
|
| Sysmiss | 8174 |