yr ene feb mar abr may jun jul ago sep oct nov dic 1950 8.5 11.6 11.5 11.0 15.2 18.9 20.7 19.7 17.7 15.9 13.5 8.1 1951 9.2 8.8 10.2 11.4 12.1 16.5 18.9 18.3 18.4 14.1 11.8 9.8 1952 7.4 7.8 13.1 12.2 15.5 18.3 19.1 19.4 15.9 15.8 11.6 9.4 1953 6.6 6.6 11.4 13.0 15.4 15.5 18.1 19.8 17.3 14.9 13.3 13.4 1954 8.0 6.3 10.9 13.3 13.0 15.5 16.8 18.1 17.9 17.3 13.8 10.7 1955 12.0 9.7 9.7 12.8 14.9 17.3 20.2 21.3 18.9 14.3 12.3 12.0 1956 10.8 4.0 11.4 11.8 14.6 15.6 18.2 18.5 19.0 15.6 10.8 10.1 1957 8.6 13.6 15.4 12.3 14.4 17.4 19.9 19.5 18.9 16.1 11.7 10.2 1958 10.6 12.4 12.3 12.1 15.9 17.8 19.2 19.2 20.1 15.1 11.9 12.1 1959 10.7 9.5 12.1 13.0 14.3 17.9 20.1 19.9 20.1 16.3 11.5 10.6 1960 9.2 10.7 12.5 12.1 15.9 18.3 18.4 19.0 17.5 14.7 12.9 8.3 1961 9.7 13.0 11.5 14.6 16.0 17.9 19.4 19.2 20.8 16.3 12.0 11.9 1962 9.7 8.5 10.0 11.7 14.5 16.6 18.7 20.2 19.1 16.1 10.3 8.1 1963 7.2 7.0 11.9 11.8 13.2 17.3 19.2 17.8 17.0 15.7 13.8 8.2 1964 8.6 10.0 10.6 11.6 16.1 17.3 19.8 19.9 19.7 13.8 10.8 8.5 1965 8.5 7.0 11.4 11.4 14.6 16.9 18.2 18.9 16.4 17.1 12.2 11.1 1966 10.9 12.9 9.5 13.7 14.0 16.8 18.1 19.5 19.3 15.7 9.5 9.6 1967 8.9 10.3 10.6 10.3 14.1 16.3 19.4 19.2 18.0 16.4 11.6 7.7 1968 9.2 9.7 9.6 11.6 13.3 16.9 19.4 19.2 17.6 17.3 13.4 9.8 1969 10.1 7.4 10.4 11.4 14.6 15.5 19.6 19.4 16.9 16.5 10.4 8.0 1970 10.1 8.7 7.6 9.8 13.8 17.8 19.6 19.6 19.0 13.7 13.2 6.4 1971 7.3 7.8 6.6 11.8 13.3 15.3 19.9 19.1 17.5 16.3 8.8 8.2 1972 7.0 8.5 10.2 10.6 12.4 15.0 18.5 18.2 15.3 14.1 11.8 9.5 1973 7.7 7.4 9.0 10.3 15.0 17.4 19.0 21.1 18.7 14.1 10.6 8.4 1974 10.3 8.8 9.7 11.7 13.8 17.1 18.6 19.2 17.0 11.8 11.5 10.3 1975 10.2 11.2 9.1 11.2 14.0 17.9 20.5 20.7 18.2 15.9 11.0 6.8 1976 7.6 10.1 10.2 10.7 14.6 19.8 20.8 20.5 17.7 15.3 11.0 9.7 1977 9.2 12.4 13.2 11.9 13.4 16.0 18.6 18.7 17.8 17.1 12.2 12.8 1978 8.6 11.6 11.1 11.7 14.1 16.2 18.7 19.2 18.4 15.9 12.2 13.1 1979 8.9 10.4 10.4 12.2 14.1 16.7 19.6 19.5 18.5 16.3 11.5 11.2 1980 9.4 11.3 11.1 11.7 13.7 16.8 18.4 20.3 19.1 15.7 11.9 8.9 1981 8.4 8.1 13.6 12.0 15.3 17.5 18.7 19.9 18.7 15.7 12.5 10.9 1982 11.7 10.7 10.4 12.3 14.9 18.5 20.6 19.7 19.7 15.1 13.0 10.2 1983 9.8 8.7 11.3 13.3 14.7 18.2 21.8 20.1 20.0 16.7 15.1 10.7 1984 10.3 8.9 9.6 13.5 12.5 16.9 19.6 19.7 18.3 15.6 14.0 10.3 1985 6.6 11.5 9.7 12.7 13.5 17.6 20.5 19.7 20.4 17.2 10.6 11.0 1986 10.0 8.7 10.7 9.5 14.1 16.6 19.2 19.1 18.3 16.2 12.2 11.2 1987 8.4 9.8 10.9 14.7 14.2 16.9 19.5 20.4 21.2 16.7 12.4 13.0 1988 11.9 10.5 10.8 13.2 15.8 17.9 19.0 19.9 18.5 17.0 13.3 10.2 1989 9.3 10.8 12.7 11.5 16.7 18.9 21.7 21.6 18.5 17.7 15.3 14.4 1990 10.4 14.4 13.2 12.1 17.1 17.8 20.6 21.0 19.7 17.0 11.9 8.1 1991 9.2 8.7 12.5 11.1 13.2 17.1 19.8 21.3 20.2 14.4 12.9 10.2 1992 8.5 9.6 11.1 12.2 16.8 16.2 19.7 21.1 18.3 14.0 14.8 11.2 1993 11.6 10.0 11.4 13.0 15.9 17.8 18.9 20.1 17.5 15.1 11.7 12.3 1994 10.0 11.1 12.5 12.1 15.7 17.8 20.7 21.1 17.6 16.5 14.6 12.2 1995 11.0 12.1 11.8 12.1 16.3 17.7 21.0 21.3 17.9 18.6 13.5 11.7 1996 13.2 9.1 12.0 13.2 14.9 17.8 19.8 19.6 17.6 16.2 12.4 10.8 1997 9.3 11.2 12.1 13.1 16.0 17.9 18.9 21.1 19.4 18.8 14.4 12.0 1998 12.0 12.4 12.9 11.9 14.9 17.9 19.4 20.2 19.3 15.5 12.5 11.0 1999 11.2 9.5 11.6 13.4 16.3 17.2 19.9 20.9 20.4 16.9 11.8 11.2 2000 9.4 11.8 10.7 13.2 15.6 17.9 19.3 20.4 19.2 15.7 13.1 14.1 2001 12.1 10.8 14.6 12.5 14.7 17.6 19.3 21.1 18.1 19.7 11.7 8.9 2002 12.6 12.4 12.7 12.6 14.8 16.3 18.0 18.8 17.9 16.9 13.7 13.1 2003 9.0 9.5 13.4 14.3 15.0 19.5 19.9 23.3 19.8 15.0 13.2 10.7