| Value | Category | Cases | |
|---|---|---|---|
| 888 | 718 |
31.8%
|
|
| 1996 | 72 |
3.2%
|
|
| 1997 | 52 |
2.3%
|
|
| 1998 | 71 |
3.1%
|
|
| 1999 | 96 |
4.2%
|
|
| 2000 | 219 |
9.7%
|
|
| 2001 | 258 |
11.4%
|
|
| 2002 | 280 |
12.4%
|
|
| 2003 | 269 |
11.9%
|
|
| 2004 | 174 |
7.7%
|
|
| 2005 | 39 |
1.7%
|
|
| 2006 | 7 |
0.3%
|
|
| 2007 | 5 |
0.2%
|