| Value | Category | Cases | |
|---|---|---|---|
| 1952 | 1 |
0.4%
|
|
| 1955 | 1 |
0.4%
|
|
| 1960 | 2 |
0.9%
|
|
| 1961 | 2 |
0.9%
|
|
| 1966 | 1 |
0.4%
|
|
| 1970 | 3 |
1.3%
|
|
| 1974 | 4 |
1.7%
|
|
| 1975 | 2 |
0.9%
|
|
| 1976 | 1 |
0.4%
|
|
| 1977 | 2 |
0.9%
|
|
| 1978 | 1 |
0.4%
|
|
| 1979 | 2 |
0.9%
|
|
| 1980 | 2 |
0.9%
|
|
| 1984 | 2 |
0.9%
|
|
| 1985 | 2 |
0.9%
|
|
| 1986 | 2 |
0.9%
|
|
| 1987 | 3 |
1.3%
|
|
| 1988 | 2 |
0.9%
|
|
| 1989 | 1 |
0.4%
|
|
| 1991 | 2 |
0.9%
|
|
| 1992 | 2 |
0.9%
|
|
| 1994 | 1 |
0.4%
|
|
| 1995 | 1 |
0.4%
|
|
| 1996 | 1 |
0.4%
|
|
| 1997 | 4 |
1.7%
|
|
| 1998 | 3 |
1.3%
|
|
| 1999 | 3 |
1.3%
|
|
| 2000 | 5 |
2.2%
|
|
| 2001 | 8 |
3.5%
|
|
| 2002 | 4 |
1.7%
|
|
| 2003 | 3 |
1.3%
|
|
| 2004 | 6 |
2.6%
|
|
| 2005 | 5 |
2.2%
|
|
| 2006 | 8 |
3.5%
|
|
| 2007 | 5 |
2.2%
|
|
| 2008 | 10 |
4.3%
|
|
| 2009 | 6 |
2.6%
|
|
| 2010 | 7 |
3%
|
|
| 2011 | 4 |
1.7%
|
|
| 2012 | 8 |
3.5%
|
|
| 3333 | Missing | 3 |
1.3%
|
| 5555 | Not Applicable | 0 |
0%
|
| 8888 | Refused | 0 |
0%
|
| 9999 | Don't know | 95 |
41.3%
|
| Sysmiss | 22236 |