| Value | Category | Cases | |
|---|---|---|---|
| -4 | Missin data / Missing information | 0 |
0%
|
| -3 | Refused to answer | 0 |
0%
|
| -2 | Not applicable | 0 |
0%
|
| -1 | Don't know | 0 |
0%
|
| 1960 | 1 |
0.9%
|
|
| 1966 | 1 |
0.9%
|
|
| 1969 | 2 |
1.9%
|
|
| 1972 | 1 |
0.9%
|
|
| 1977 | 2 |
1.9%
|
|
| 1978 | 1 |
0.9%
|
|
| 1980 | 2 |
1.9%
|
|
| 1982 | 2 |
1.9%
|
|
| 1984 | 1 |
0.9%
|
|
| 1985 | 2 |
1.9%
|
|
| 1986 | 2 |
1.9%
|
|
| 1988 | 1 |
0.9%
|
|
| 1989 | 1 |
0.9%
|
|
| 1990 | 6 |
5.7%
|
|
| 1991 | 1 |
0.9%
|
|
| 1992 | 3 |
2.8%
|
|
| 1993 | 2 |
1.9%
|
|
| 1994 | 1 |
0.9%
|
|
| 1995 | 2 |
1.9%
|
|
| 1996 | 3 |
2.8%
|
|
| 1997 | 3 |
2.8%
|
|
| 1998 | 10 |
9.4%
|
|
| 1999 | 8 |
7.5%
|
|
| 2000 | 16 |
15.1%
|
|
| 2001 | 17 |
16%
|
|
| 2002 | 15 |
14.2%
|
|
| Sysmiss | 5454 |