| Valor | Categoría | Casos | |
|---|---|---|---|
| 2003 | 23996 |
98.2%
|
|
| 2002 | 431 |
1.8%
|
|
| 2001 | 15 |
0.1%
|
|
| 2000 | 3 |
0%
|
|
| 1999 | 2 |
0%
|
|
| 1998 | 1 |
0%
|