| قيمة | فئة | حالات | |
|---|---|---|---|
| 1991 | 15 |
0.1%
|
|
| 1992 | 237 |
1.3%
|
|
| 1993 | 384 |
2.2%
|
|
| 1994 | 501 |
2.8%
|
|
| 1995 | 592 |
3.4%
|
|
| 1996 | 738 |
4.2%
|
|
| 1997 | 890 |
5.1%
|
|
| 1998 | 1004 |
5.7%
|
|
| 1999 | 1122 |
6.4%
|
|
| 2000 | 1356 |
7.7%
|
|
| 2001 | 1459 |
8.3%
|
|
| 2002 | 1603 |
9.1%
|
|
| 2003 | 1808 |
10.3%
|
|
| 2004 | 1902 |
10.8%
|
|
| 2005 | 2038 |
11.6%
|
|
| 2006 | 1934 |
11%
|
|
| 9998 | DK | 23 |
0.1%
|
| Sysmiss | 3788 |