* Average life expectancy for males/females between 1900 - 1990;

data ages;



year    males   females

-----------------------

1900    49.6    49.6 

1910    50.2    53.7 

1920    54.6    56.3 

1930    58.0    61.4 

1940    60.9    65.3 

1950    65.3    70.9 

1960    66.6    73.2 

1970    67.1    74.8 

1980    69.9    77.5 

1990    71.8    78.6