| Value | Category | Cases | |
|---|---|---|---|
| 1 | Avant 1996 | 540 |
12.2%
|
| 2 | 1996-1997 | 116 |
2.6%
|
| 3 | 1998-1999 | 141 |
3.2%
|
| 4 | 2000-2001 | 272 |
6.1%
|
| 5 | 2002-2003 | 306 |
6.9%
|
| 6 | 2004-2005 | 324 |
7.3%
|
| 7 | 2006-2007 | 463 |
10.4%
|
| 8 | 2008-2009 | 668 |
15%
|
| 9 | 2010-2011 | 1123 |
25.3%
|
| 10 | 2012 | 486 |
10.9%
|
| Sysmiss | 65 |