| Value | Category | Cases | |
|---|---|---|---|
| 1965 | 1 |
0%
|
|
| 1967 | 1 |
0%
|
|
| 1968 | 1 |
0%
|
|
| 1969 | 1 |
0%
|
|
| 1970 | 3 |
0%
|
|
| 1971 | 2 |
0%
|
|
| 1972 | 3 |
0%
|
|
| 1973 | 6 |
0.1%
|
|
| 1974 | 6 |
0.1%
|
|
| 1975 | 9 |
0.1%
|
|
| 1976 | 8 |
0.1%
|
|
| 1977 | 14 |
0.2%
|
|
| 1978 | 4 |
0.1%
|
|
| 1979 | 13 |
0.2%
|
|
| 1980 | 15 |
0.2%
|
|
| 1981 | 16 |
0.2%
|
|
| 1982 | 18 |
0.3%
|
|
| 1983 | 25 |
0.4%
|
|
| 1984 | 22 |
0.3%
|
|
| 1985 | 21 |
0.3%
|
|
| 1986 | 31 |
0.5%
|
|
| 1987 | 25 |
0.4%
|
|
| 1988 | 37 |
0.6%
|
|
| 1989 | 34 |
0.5%
|
|
| 1990 | 34 |
0.5%
|
|
| 1991 | 46 |
0.7%
|
|
| 1992 | 45 |
0.7%
|
|
| 1993 | 40 |
0.6%
|
|
| 1994 | 74 |
1.1%
|
|
| 1995 | 51 |
0.8%
|
|
| 1996 | 69 |
1.1%
|
|
| 1997 | 41 |
0.6%
|
|
| 1998 | 70 |
1.1%
|
|
| 1999 | 52 |
0.8%
|
|
| 2000 | 98 |
1.5%
|
|
| 2001 | 81 |
1.3%
|
|
| 2002 | 93 |
1.4%
|
|
| 2003 | 79 |
1.2%
|
|
| 2004 | 129 |
2%
|
|
| 2005 | 164 |
2.5%
|
|
| 2006 | 209 |
3.2%
|
|
| 2007 | 216 |
3.4%
|
|
| 2008 | 264 |
4.1%
|
|
| 2009 | 285 |
4.4%
|
|
| 2010 | 400 |
6.2%
|
|
| 2011 | 407 |
6.3%
|
|
| 2012 | 538 |
8.4%
|
|
| 2013 | 722 |
11.2%
|
|
| 2014 | 1298 |
20.2%
|
|
| 2015 | 545 |
8.5%
|
|
| 3333 | Missing | 0 |
0%
|
| 5555 | Not Applicable | 0 |
0%
|
| 8888 | Refused | 0 |
0%
|
| 9999 | Don't Know | 72 |
1.1%
|
| Sysmiss | 20381 |