| Value | Category | Cases | |
|---|---|---|---|
| 1940 | 1 |
0%
|
|
| 1946 | 2 |
0%
|
|
| 1948 | 3 |
0.1%
|
|
| 1949 | 3 |
0.1%
|
|
| 1950 | 5 |
0.1%
|
|
| 1951 | 2 |
0%
|
|
| 1952 | 9 |
0.2%
|
|
| 1953 | 8 |
0.2%
|
|
| 1954 | 8 |
0.2%
|
|
| 1955 | 8 |
0.2%
|
|
| 1956 | 10 |
0.2%
|
|
| 1957 | 7 |
0.2%
|
|
| 1958 | 19 |
0.4%
|
|
| 1959 | 17 |
0.4%
|
|
| 1960 | 23 |
0.5%
|
|
| 1961 | 18 |
0.4%
|
|
| 1962 | 23 |
0.5%
|
|
| 1963 | 39 |
0.9%
|
|
| 1964 | 44 |
1%
|
|
| 1965 | 40 |
0.9%
|
|
| 1966 | 48 |
1.1%
|
|
| 1967 | 41 |
1%
|
|
| 1968 | 50 |
1.2%
|
|
| 1969 | 49 |
1.2%
|
|
| 1970 | 74 |
1.7%
|
|
| 1971 | 56 |
1.3%
|
|
| 1972 | 60 |
1.4%
|
|
| 1973 | 58 |
1.4%
|
|
| 1974 | 74 |
1.7%
|
|
| 1975 | 86 |
2%
|
|
| 1976 | 83 |
2%
|
|
| 1977 | 62 |
1.5%
|
|
| 1978 | 66 |
1.6%
|
|
| 1979 | 75 |
1.8%
|
|
| 1980 | 90 |
2.1%
|
|
| 1981 | 66 |
1.6%
|
|
| 1982 | 97 |
2.3%
|
|
| 1983 | 104 |
2.4%
|
|
| 1984 | 88 |
2.1%
|
|
| 1985 | 100 |
2.4%
|
|
| 1986 | 106 |
2.5%
|
|
| 1987 | 96 |
2.3%
|
|
| 1988 | 95 |
2.2%
|
|
| 1989 | 103 |
2.4%
|
|
| 1990 | 92 |
2.2%
|
|
| 1991 | 105 |
2.5%
|
|
| 1992 | 76 |
1.8%
|
|
| 1993 | 96 |
2.3%
|
|
| 1994 | 88 |
2.1%
|
|
| 1995 | 84 |
2%
|
|
| 1996 | 96 |
2.3%
|
|
| 1997 | 85 |
2%
|
|
| 1998 | 78 |
1.8%
|
|
| 1999 | 96 |
2.3%
|
|
| 2000 | 101 |
2.4%
|
|
| 2001 | 90 |
2.1%
|
|
| 2002 | 86 |
2%
|
|
| 2003 | 82 |
1.9%
|
|
| 2004 | 94 |
2.2%
|
|
| 2005 | 87 |
2%
|
|
| 2006 | 100 |
2.4%
|
|
| 2007 | 95 |
2.2%
|
|
| 2008 | 92 |
2.2%
|
|
| 2009 | 90 |
2.1%
|
|
| 2010 | 70 |
1.6%
|
|
| 2011 | 2 |
0%
|
|
| 2222 | 2222. Not asked in Phase 2 | 0 |
0%
|
| 3333 | 3333. Missing | 5 |
0.1%
|
| 5555 | 5555. Not Applicable | 0 |
0%
|
| 8888 | 8888. Refused | 0 |
0%
|
| 9999 | 9999. Don't know | 245 |
5.8%
|
| Sysmiss | 17623 |