| Value | Category | Cases | |
|---|---|---|---|
| 1970 | 1 |
0%
|
|
| 1977 | 1 |
0%
|
|
| 1979 | 4 |
0.2%
|
|
| 1981 | 2 |
0.1%
|
|
| 1982 | 3 |
0.1%
|
|
| 1983 | 3 |
0.1%
|
|
| 1984 | 4 |
0.2%
|
|
| 1985 | 10 |
0.4%
|
|
| 1986 | 9 |
0.3%
|
|
| 1987 | 11 |
0.4%
|
|
| 1988 | 8 |
0.3%
|
|
| 1989 | 17 |
0.7%
|
|
| 1990 | 19 |
0.7%
|
|
| 1991 | 20 |
0.8%
|
|
| 1992 | 16 |
0.6%
|
|
| 1993 | 14 |
0.5%
|
|
| 1994 | 45 |
1.7%
|
|
| 1995 | 26 |
1%
|
|
| 1996 | 39 |
1.5%
|
|
| 1997 | 34 |
1.3%
|
|
| 1998 | 38 |
1.5%
|
|
| 1999 | 58 |
2.2%
|
|
| 2000 | 58 |
2.2%
|
|
| 2001 | 59 |
2.3%
|
|
| 2002 | 71 |
2.7%
|
|
| 2003 | 106 |
4.1%
|
|
| 2004 | 118 |
4.6%
|
|
| 2005 | 173 |
6.7%
|
|
| 2006 | 242 |
9.4%
|
|
| 2007 | 257 |
10%
|
|
| 2008 | 395 |
15.3%
|
|
| 2009 | 299 |
11.6%
|
|
| 9995 | Missing | 10 |
0.4%
|
| 9996 | Other | 0 |
0%
|
| 9997 | Refused | 2 |
0.1%
|
| 9998 | Dont Know | 0 |
0%
|
| 9999 | Not Applicable | 410 |
15.9%
|