| Value | Category | Cases | |
|---|---|---|---|
| -9999 | inapplicable | 5564 |
42.8%
|
| -3 | non-response | 0 |
0%
|
| -2 | non response | 62 |
0.5%
|
| -1 | non response | 0 |
0%
|
| 1965 | 1 |
0%
|
|
| 1966 | 1 |
0%
|
|
| 1967 | 1 |
0%
|
|
| 1970 | 3 |
0%
|
|
| 1971 | 1 |
0%
|
|
| 1973 | 5 |
0%
|
|
| 1974 | 3 |
0%
|
|
| 1975 | 4 |
0%
|
|
| 1976 | 3 |
0%
|
|
| 1977 | 1 |
0%
|
|
| 1978 | 10 |
0.1%
|
|
| 1979 | 13 |
0.1%
|
|
| 1980 | 47 |
0.4%
|
|
| 1981 | 8 |
0.1%
|
|
| 1982 | 21 |
0.2%
|
|
| 1983 | 22 |
0.2%
|
|
| 1984 | 57 |
0.4%
|
|
| 1985 | 63 |
0.5%
|
|
| 1986 | 34 |
0.3%
|
|
| 1987 | 30 |
0.2%
|
|
| 1988 | 55 |
0.4%
|
|
| 1989 | 84 |
0.6%
|
|
| 1990 | 298 |
2.3%
|
|
| 1991 | 80 |
0.6%
|
|
| 1992 | 203 |
1.6%
|
|
| 1993 | 136 |
1%
|
|
| 1994 | 361 |
2.8%
|
|
| 1995 | 398 |
3.1%
|
|
| 1996 | 353 |
2.7%
|
|
| 1997 | 405 |
3.1%
|
|
| 1998 | 476 |
3.7%
|
|
| 1999 | 615 |
4.7%
|
|
| 2000 | 920 |
7.1%
|
|
| 2001 | 622 |
4.8%
|
|
| 2002 | 833 |
6.4%
|
|
| 2003 | 624 |
4.8%
|
|
| 2004 | 558 |
4.3%
|
|
| 2005 | 28 |
0.2%
|