| Value | Category | Cases | |
|---|---|---|---|
| 1967 | 1 |
0.5%
|
|
| 1968 | 1 |
0.5%
|
|
| 1969 | 1 |
0.5%
|
|
| 1970 | 1 |
0.5%
|
|
| 1971 | 1 |
0.5%
|
|
| 1972 | 1 |
0.5%
|
|
| 1973 | 3 |
1.5%
|
|
| 1974 | 1 |
0.5%
|
|
| 1975 | 3 |
1.5%
|
|
| 1976 | 1 |
0.5%
|
|
| 1977 | 3 |
1.5%
|
|
| 1978 | 1 |
0.5%
|
|
| 1979 | 2 |
1%
|
|
| 1980 | 2 |
1%
|
|
| 1981 | 1 |
0.5%
|
|
| 1982 | 6 |
3%
|
|
| 1983 | 4 |
2%
|
|
| 1984 | 5 |
2.5%
|
|
| 1985 | 2 |
1%
|
|
| 1986 | 2 |
1%
|
|
| 1987 | 1 |
0.5%
|
|
| 1988 | 4 |
2%
|
|
| 1989 | 4 |
2%
|
|
| 1990 | 2 |
1%
|
|
| 1991 | 3 |
1.5%
|
|
| 1992 | 3 |
1.5%
|
|
| 1993 | 4 |
2%
|
|
| 1994 | 3 |
1.5%
|
|
| 1995 | 4 |
2%
|
|
| 1996 | 4 |
2%
|
|
| 1997 | 1 |
0.5%
|
|
| 1998 | 5 |
2.5%
|
|
| 1999 | 2 |
1%
|
|
| 2000 | 1 |
0.5%
|
|
| 2001 | 2 |
1%
|
|
| 2003 | 2 |
1%
|
|
| 2004 | 1 |
0.5%
|
|
| 2005 | 2 |
1%
|
|
| 2006 | 2 |
1%
|
|
| 2007 | 1 |
0.5%
|
|
| 3333 | Missing | 0 |
0%
|
| 5555 | Not Applicable | 0 |
0%
|
| 7777 | Never Moved | 0 |
0%
|
| 8888 | Refused | 1 |
0.5%
|
| 9999 | Don't know | 104 |
52.5%
|
| Sysmiss | 16674 |