| Valor | Categoría | Casos | |
|---|---|---|---|
| 1987 | 381 |
4.4%
|
|
| 1988 | 148 |
1.7%
|
|
| 1989 | 236 |
2.7%
|
|
| 1990 | 660 |
7.5%
|
|
| 1991 | 565 |
6.5%
|
|
| 1992 | 329 |
3.8%
|
|
| 1993 | 358 |
4.1%
|
|
| 1994 | 306 |
3.5%
|
|
| 1995 | 357 |
4.1%
|
|
| 1996 | 470 |
5.4%
|
|
| 1997 | 342 |
3.9%
|
|
| 1998 | 322 |
3.7%
|
|
| 1999 | 289 |
3.3%
|
|
| 2000 | 501 |
5.7%
|
|
| 2001 | 428 |
4.9%
|
|
| 2002 | 227 |
2.6%
|
|
| 2003 | 332 |
3.8%
|
|
| 2004 | 277 |
3.2%
|
|
| 2005 | 386 |
4.4%
|
|
| 2006 | 400 |
4.6%
|
|
| 2007 | 347 |
4%
|
|
| 2008 | 336 |
3.8%
|
|
| 2009 | 322 |
3.7%
|
|
| 2010 | 225 |
2.6%
|
|
| 2011 | 156 |
1.8%
|
|
| 9999 | Ignorado | 49 |
0.6%
|
| Sysmiss | 32111 |