| Value | Category | Cases | |
|---|---|---|---|
| -9999 | inapplicable | 11682 |
89.8%
|
| -3 | non-response | 0 |
0%
|
| -2 | non response | 47 |
0.4%
|
| -1 | non response | 1 |
0%
|
| 1960 | 1 |
0%
|
|
| 1962 | 1 |
0%
|
|
| 1967 | 1 |
0%
|
|
| 1968 | 1 |
0%
|
|
| 1969 | 1 |
0%
|
|
| 1970 | 8 |
0.1%
|
|
| 1971 | 3 |
0%
|
|
| 1972 | 4 |
0%
|
|
| 1973 | 7 |
0.1%
|
|
| 1974 | 8 |
0.1%
|
|
| 1975 | 20 |
0.2%
|
|
| 1976 | 14 |
0.1%
|
|
| 1977 | 16 |
0.1%
|
|
| 1978 | 27 |
0.2%
|
|
| 1979 | 39 |
0.3%
|
|
| 1980 | 88 |
0.7%
|
|
| 1981 | 28 |
0.2%
|
|
| 1982 | 52 |
0.4%
|
|
| 1983 | 32 |
0.2%
|
|
| 1984 | 21 |
0.2%
|
|
| 1985 | 49 |
0.4%
|
|
| 1986 | 46 |
0.4%
|
|
| 1987 | 44 |
0.3%
|
|
| 1988 | 67 |
0.5%
|
|
| 1989 | 56 |
0.4%
|
|
| 1990 | 102 |
0.8%
|
|
| 1991 | 32 |
0.2%
|
|
| 1992 | 36 |
0.3%
|
|
| 1993 | 36 |
0.3%
|
|
| 1994 | 34 |
0.3%
|
|
| 1995 | 74 |
0.6%
|
|
| 1996 | 57 |
0.4%
|
|
| 1997 | 52 |
0.4%
|
|
| 1998 | 46 |
0.4%
|
|
| 1999 | 43 |
0.3%
|
|
| 2000 | 50 |
0.4%
|
|
| 2001 | 19 |
0.1%
|
|
| 2002 | 22 |
0.2%
|
|
| 2003 | 21 |
0.2%
|
|
| 2004 | 15 |
0.1%
|