| Value | Category | Cases | |
|---|---|---|---|
| 1995 | 162 |
1.2%
|
|
| 1996 | 653 |
4.9%
|
|
| 1997 | 719 |
5.4%
|
|
| 1998 | 780 |
5.9%
|
|
| 1999 | 674 |
5.1%
|
|
| 2000 | 978 |
7.4%
|
|
| 2001 | 698 |
5.3%
|
|
| 2002 | 916 |
6.9%
|
|
| 2003 | 883 |
6.7%
|
|
| 2004 | 963 |
7.3%
|
|
| 2005 | 1010 |
7.6%
|
|
| 2006 | 1021 |
7.7%
|
|
| 2007 | 1118 |
8.4%
|
|
| 2008 | 1043 |
7.9%
|
|
| 2009 | 1046 |
7.9%
|
|
| 2010 | 588 |
4.4%
|
|
| 9997 | Inconsistent | 0 |
0%
|
| 9998 | DK | 0 |
0%
|