| Value | Category | Cases | |
|---|---|---|---|
| 1957 | 1 |
1.7%
|
|
| 1984 | 1 |
1.7%
|
|
| 1987 | 1 |
1.7%
|
|
| 1988 | 1 |
1.7%
|
|
| 1998 | 2 |
3.4%
|
|
| 1999 | 1 |
1.7%
|
|
| 2001 | 3 |
5.1%
|
|
| 2002 | 2 |
3.4%
|
|
| 2003 | 2 |
3.4%
|
|
| 2004 | 5 |
8.5%
|
|
| 2005 | 6 |
10.2%
|
|
| 2006 | 3 |
5.1%
|
|
| 2007 | 24 |
40.7%
|
|
| 2008 | 5 |
8.5%
|
|
| 3333 | Missing | 0 |
0%
|
| 5555 | Not Applicable | 0 |
0%
|
| 7777 | Never Moved | 0 |
0%
|
| 8888 | Refused | 0 |
0%
|
| 9999 | Don't know | 2 |
3.4%
|
| Sysmiss | 16813 |