| Value | Category | Cases | |
|---|---|---|---|
| 1974 | 1 |
0%
|
|
| 1975 | 1 |
0%
|
|
| 1976 | 4 |
0.1%
|
|
| 1977 | 3 |
0.1%
|
|
| 1978 | 12 |
0.4%
|
|
| 1979 | 4 |
0.1%
|
|
| 1980 | 24 |
0.7%
|
|
| 1981 | 21 |
0.6%
|
|
| 1982 | 41 |
1.2%
|
|
| 1983 | 36 |
1.1%
|
|
| 1984 | 35 |
1%
|
|
| 1985 | 61 |
1.8%
|
|
| 1986 | 60 |
1.8%
|
|
| 1987 | 63 |
1.9%
|
|
| 1988 | 67 |
2%
|
|
| 1989 | 74 |
2.2%
|
|
| 1990 | 87 |
2.6%
|
|
| 1991 | 76 |
2.2%
|
|
| 1992 | 103 |
3%
|
|
| 1993 | 109 |
3.2%
|
|
| 1994 | 119 |
3.5%
|
|
| 1995 | 91 |
2.7%
|
|
| 1996 | 151 |
4.4%
|
|
| 1997 | 129 |
3.8%
|
|
| 1998 | 134 |
3.9%
|
|
| 1999 | 142 |
4.2%
|
|
| 2000 | 164 |
4.8%
|
|
| 2001 | 140 |
4.1%
|
|
| 2002 | 154 |
4.5%
|
|
| 2003 | 173 |
5.1%
|
|
| 2004 | 161 |
4.7%
|
|
| 2005 | 178 |
5.2%
|
|
| 2006 | 157 |
4.6%
|
|
| 2007 | 201 |
5.9%
|
|
| 2008 | 194 |
5.7%
|
|
| 2009 | 168 |
4.9%
|
|
| 9995 | Missing | 0 |
0%
|
| 9997 | Refusal | 15 |
0.4%
|
| 9998 | Dont Know | 52 |
1.5%
|
