| Valor | Categoría | Casos | |
|---|---|---|---|
| 2002 | 23531 |
98.3%
|
|
| 2001 | 332 |
1.4%
|
|
| 2000 | 29 |
0.1%
|
|
| 1999 | 25 |
0.1%
|
|
| 1998 | 6 |
0%
|
|
| 1997 | 2 |
0%
|
|
| 1994 | 1 |
0%
|