| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1983 | 1 | 1 |
0.1%
|
|
| 1984 | 1 | 1 |
0.1%
|
|
| 1989 | 3 | 3 |
0.3%
|
|
| 1990 | 2 | 1 |
0.1%
|
|
| 1991 | 2 | 2 |
0.2%
|
|
| 1992 | 2 | 2 |
0.2%
|
|
| 1993 | 2 | 2 |
0.2%
|
|
| 1994 | 10 | 9 |
0.8%
|
|
| 1995 | 3 | 2 |
0.2%
|
|
| 1996 | 9 | 10 |
0.9%
|
|
| 1997 | 17 | 18 |
1.7%
|
|
| 1998 | 14 | 15 |
1.4%
|
|
| 1999 | 15 | 16 |
1.4%
|
|
| 2000 | 25 | 25 |
2.3%
|
|
| 2001 | 50 | 49 |
4.5%
|
|
| 2002 | 93 | 91 |
8.4%
|
|
| 2003 | 196 | 195 |
17.9%
|
|
| 2004 | 363 | 354 |
32.7%
|
|
| 2005 | 296 | 291 |
26.8%
|
|
| Sysmiss | 10435 | 10237 |