Sample data. U.S. Life expectancy at birth, selected years 1950-2004 (Source, U.S. Centers for Disease Control and Prevention, 8/19/09)

2 31
Year Mortality
1950  68.2
1960  69.7
1970  70.8
1975  72.6
1980  73.7
1981  74.1
1982  74.5
1983  74.6
1984  74.7
1985  74.7
1986  74.7
1987  74.9
1988  74.9
1989  75.1
1990  75.4
1991  75.5
1992  75.8
1993  75.5
1994  75.7
1995  75.8
1996  76.1
1997  76.5
1998  76.7
1999  76.7
2000  76.8
2001  76.9
2002  76.9
2003  77.1
2004  77.5
2005  77.4
2006  77.7