| Value | Category | Cases | |
|---|---|---|---|
| 1958 | 1 |
0%
|
|
| 1959 | 3 |
0.1%
|
|
| 1960 | 1 |
0%
|
|
| 1966 | 1 |
0%
|
|
| 1968 | 1 |
0%
|
|
| 1969 | 1 |
0%
|
|
| 1970 | 6 |
0.3%
|
|
| 1971 | 1 |
0%
|
|
| 1972 | 1 |
0%
|
|
| 1973 | 1 |
0%
|
|
| 1974 | 3 |
0.1%
|
|
| 1975 | 3 |
0.1%
|
|
| 1976 | 1 |
0%
|
|
| 1978 | 6 |
0.3%
|
|
| 1979 | 2 |
0.1%
|
|
| 1980 | 17 |
0.8%
|
|
| 1981 | 2 |
0.1%
|
|
| 1982 | 5 |
0.2%
|
|
| 1983 | 5 |
0.2%
|
|
| 1984 | 8 |
0.4%
|
|
| 1985 | 12 |
0.6%
|
|
| 1986 | 3 |
0.1%
|
|
| 1987 | 5 |
0.2%
|
|
| 1988 | 7 |
0.3%
|
|
| 1989 | 8 |
0.4%
|
|
| 1990 | 26 |
1.2%
|
|
| 1991 | 14 |
0.7%
|
|
| 1992 | 14 |
0.7%
|
|
| 1993 | 10 |
0.5%
|
|
| 1994 | 20 |
0.9%
|
|
| 1995 | 23 |
1.1%
|
|
| 1996 | 21 |
1%
|
|
| 1997 | 19 |
0.9%
|
|
| 1998 | 58 |
2.7%
|
|
| 1999 | 46 |
2.1%
|
|
| 2000 | 136 |
6.4%
|
|
| 2001 | 50 |
2.3%
|
|
| 2002 | 52 |
2.4%
|
|
| 2003 | 64 |
3%
|
|
| 2004 | 90 |
4.2%
|
|
| 2005 | 130 |
6.1%
|
|
| 2006 | 110 |
5.1%
|
|
| 2007 | 127 |
5.9%
|
|
| 2008 | 182 |
8.5%
|
|
| 2009 | 246 |
11.5%
|
|
| 2010 | 200 |
9.3%
|
|
| 2011 | 5 |
0.2%
|
|
| 2222 | Not asked in Phase 2 | 0 |
0%
|
| 3333 | Missing | 129 |
6%
|
| 5555 | Not Applicable | 0 |
0%
|
| 8888 | Refused | 5 |
0.2%
|
| 9999 | Don't know | 260 |
12.1%
|
| Sysmiss | 19733 |