| Valor | Categoría | Casos | |
|---|---|---|---|
| 1971 | 2 |
0.1%
|
|
| 1972 | 1 |
0.1%
|
|
| 1974 | 1 |
0.1%
|
|
| 1975 | 1 |
0.1%
|
|
| 1976 | 4 |
0.3%
|
|
| 1977 | 4 |
0.3%
|
|
| 1978 | 4 |
0.3%
|
|
| 1979 | 19 |
1.2%
|
|
| 1980 | 16 |
1%
|
|
| 1981 | 30 |
1.9%
|
|
| 1982 | 24 |
1.5%
|
|
| 1983 | 28 |
1.8%
|
|
| 1984 | 39 |
2.5%
|
|
| 1985 | 48 |
3.1%
|
|
| 1986 | 34 |
2.2%
|
|
| 1987 | 37 |
2.4%
|
|
| 1988 | 54 |
3.5%
|
|
| 1989 | 47 |
3%
|
|
| 1990 | 49 |
3.2%
|
|
| 1991 | 46 |
3%
|
|
| 1992 | 57 |
3.7%
|
|
| 1993 | 76 |
4.9%
|
|
| 1994 | 57 |
3.7%
|
|
| 1995 | 73 |
4.7%
|
|
| 1996 | 61 |
3.9%
|
|
| 1997 | 82 |
5.3%
|
|
| 1998 | 71 |
4.6%
|
|
| 1999 | 83 |
5.3%
|
|
| 2000 | 72 |
4.6%
|
|
| 2001 | 78 |
5%
|
|
| 2002 | 71 |
4.6%
|
|
| 2003 | 56 |
3.6%
|
|
| 2004 | 42 |
2.7%
|
|
| 2005 | 40 |
2.6%
|
|
| 2006 | 27 |
1.7%
|
|
| 2007 | 10 |
0.6%
|
|
| 2008 | 6 |
0.4%
|
|
| 2009 | 2 |
0.1%
|
|
| 9999 | Sin información | 101 |
6.5%
|