| Valor | Categoría | Casos | |
|---|---|---|---|
| 1976 | 2 |
0.2%
|
|
| 1977 | 1 |
0.1%
|
|
| 1978 | 1 |
0.1%
|
|
| 1979 | 5 |
0.4%
|
|
| 1980 | 10 |
0.8%
|
|
| 1981 | 6 |
0.5%
|
|
| 1982 | 13 |
1%
|
|
| 1983 | 23 |
1.8%
|
|
| 1984 | 27 |
2.1%
|
|
| 1985 | 25 |
1.9%
|
|
| 1986 | 31 |
2.4%
|
|
| 1987 | 29 |
2.2%
|
|
| 1988 | 34 |
2.6%
|
|
| 1989 | 40 |
3.1%
|
|
| 1990 | 37 |
2.8%
|
|
| 1991 | 52 |
4%
|
|
| 1992 | 52 |
4%
|
|
| 1993 | 54 |
4.2%
|
|
| 1994 | 67 |
5.2%
|
|
| 1995 | 47 |
3.6%
|
|
| 1996 | 59 |
4.5%
|
|
| 1997 | 68 |
5.2%
|
|
| 1998 | 53 |
4.1%
|
|
| 1999 | 83 |
6.4%
|
|
| 2000 | 81 |
6.2%
|
|
| 2001 | 52 |
4%
|
|
| 2002 | 66 |
5.1%
|
|
| 2003 | 55 |
4.2%
|
|
| 2004 | 56 |
4.3%
|
|
| 2005 | 45 |
3.5%
|
|
| 2006 | 57 |
4.4%
|
|
| 2007 | 31 |
2.4%
|
|
| 2008 | 20 |
1.5%
|
|
| 2009 | 12 |
0.9%
|
|
| 2010 | 3 |
0.2%
|
|
| 2011 | 2 |
0.2%
|
|
| 9999 | Sin información | 29 |