| Value | Category | Cases | |
|---|---|---|---|
| 98 | Don't know | 0 |
0%
|
| 1992 | 3 |
0.2%
|
|
| 1993 | 9 |
0.5%
|
|
| 1994 | 28 |
1.6%
|
|
| 1995 | 28 |
1.6%
|
|
| 1996 | 19 |
1.1%
|
|
| 1997 | 22 |
1.3%
|
|
| 1998 | 24 |
1.4%
|
|
| 1999 | 40 |
2.3%
|
|
| 2000 | 63 |
3.7%
|
|
| 2001 | 55 |
3.2%
|
|
| 2002 | 73 |
4.3%
|
|
| 2003 | 67 |
3.9%
|
|
| 2004 | 113 |
6.6%
|
|
| 2005 | 130 |
7.6%
|
|
| 2006 | 157 |
9.2%
|
|
| 2007 | 190 |
11.1%
|
|
| 2008 | 206 |
12%
|
|
| 2009 | 226 |
13.2%
|
|
| 2010 | 147 |
8.6%
|
|
| 2011 | 82 |
4.8%
|
|
| 2012 | 28 |
1.6%
|
|
| 9998 | Don't know | 0 |
0%
|