What can you conclude from the line graph?
Year 1976 1980 1984 1988 1992 1996
Percent 53.5 52.8 53.3 50.3 55.1 48.9
Year 1976 1980 1984 1988 1992 1996
Percent 53.5 52.8 53.3 50.3 55.1 48.9