| Value | Category | Cases | |
|---|---|---|---|
| 1964 | 1 |
0%
|
|
| 1967 | 1 |
0%
|
|
| 1969 | 3 |
0.1%
|
|
| 1970 | 5 |
0.2%
|
|
| 1971 | 3 |
0.1%
|
|
| 1972 | 6 |
0.2%
|
|
| 1973 | 7 |
0.2%
|
|
| 1974 | 5 |
0.2%
|
|
| 1975 | 21 |
0.7%
|
|
| 1976 | 17 |
0.5%
|
|
| 1977 | 18 |
0.6%
|
|
| 1978 | 31 |
1%
|
|
| 1979 | 29 |
0.9%
|
|
| 1980 | 56 |
1.8%
|
|
| 1981 | 32 |
1%
|
|
| 1982 | 36 |
1.1%
|
|
| 1983 | 28 |
0.9%
|
|
| 1984 | 29 |
0.9%
|
|
| 1985 | 48 |
1.5%
|
|
| 1986 | 60 |
1.9%
|
|
| 1987 | 43 |
1.3%
|
|
| 1988 | 37 |
1.2%
|
|
| 1989 | 46 |
1.4%
|
|
| 1990 | 85 |
2.7%
|
|
| 1991 | 52 |
1.6%
|
|
| 1992 | 64 |
2%
|
|
| 1993 | 53 |
1.7%
|
|
| 1994 | 66 |
2.1%
|
|
| 1995 | 53 |
1.7%
|
|
| 1996 | 69 |
2.2%
|
|
| 1997 | 66 |
2.1%
|
|
| 1998 | 77 |
2.4%
|
|
| 1999 | 87 |
2.7%
|
|
| 2000 | 96 |
3%
|
|
| 2001 | 87 |
2.7%
|
|
| 2002 | 71 |
2.2%
|
|
| 2003 | 77 |
2.4%
|
|
| 2004 | 86 |
2.7%
|
|
| 2005 | 89 |
2.8%
|
|
| 2006 | 92 |
2.9%
|
|
| 2007 | 95 |
3%
|
|
| 2008 | 92 |
2.9%
|
|
| 2009 | 99 |
3.1%
|
|
| 2010 | 114 |
3.6%
|
|
| 2011 | 79 |
2.5%
|
|
| 2012 | 112 |
3.5%
|
|
| 2013 | 116 |
3.6%
|
|
| 2014 | 114 |
3.6%
|
|
| 2015 | 80 |
2.5%
|
|
| 2016 | 37 |
1.2%
|
|
| 9998 | No sabe el año | 418 |
13.1%
|
| Sysmiss | 1787 |