| Value | Category | Cases | |
|---|---|---|---|
| 1952 | 1 |
0.9%
|
|
| 1954 | 1 |
0.9%
|
|
| 1958 | 1 |
0.9%
|
|
| 1959 | 1 |
0.9%
|
|
| 1962 | 1 |
0.9%
|
|
| 1963 | 1 |
0.9%
|
|
| 1964 | 1 |
0.9%
|
|
| 1966 | 1 |
0.9%
|
|
| 1968 | 2 |
1.9%
|
|
| 1969 | 1 |
0.9%
|
|
| 1970 | 3 |
2.8%
|
|
| 1972 | 2 |
1.9%
|
|
| 1973 | 2 |
1.9%
|
|
| 1974 | 4 |
3.8%
|
|
| 1975 | 1 |
0.9%
|
|
| 1976 | 1 |
0.9%
|
|
| 1977 | 1 |
0.9%
|
|
| 1978 | 1 |
0.9%
|
|
| 1979 | 5 |
4.7%
|
|
| 1980 | 1 |
0.9%
|
|
| 1981 | 1 |
0.9%
|
|
| 1982 | 4 |
3.8%
|
|
| 1983 | 1 |
0.9%
|
|
| 1984 | 2 |
1.9%
|
|
| 1985 | 1 |
0.9%
|
|
| 1986 | 3 |
2.8%
|
|
| 1987 | 2 |
1.9%
|
|
| 1988 | 2 |
1.9%
|
|
| 1989 | 1 |
0.9%
|
|
| 1990 | 3 |
2.8%
|
|
| 1991 | 1 |
0.9%
|
|
| 1992 | 4 |
3.8%
|
|
| 1993 | 1 |
0.9%
|
|
| 1994 | 3 |
2.8%
|
|
| 1995 | 3 |
2.8%
|
|
| 1997 | 1 |
0.9%
|
|
| 1998 | 2 |
1.9%
|
|
| 1999 | 1 |
0.9%
|
|
| 2001 | 1 |
0.9%
|
|
| 2002 | 1 |
0.9%
|
|
| 2003 | 1 |
0.9%
|
|
| 2005 | 1 |
0.9%
|
|
| 2006 | 1 |
0.9%
|
|
| 3333 | Missing | 2 |
1.9%
|
| 5555 | Not Applicable | 0 |
0%
|
| 8888 | Refused | 0 |
0%
|
| 9999 | Don't know | 31 |
29.2%
|
| Sysmiss | 22360 |