Pop % vs time

1950 10.8  8.8  7.4 7.0 7.7 8.1 7.6 7.5 6.7 6.0 5.5 4.8 4.0 3.3 2.2 1.5 1.1
1955 11.2 10.0  8.2 6.7 6.5 7.1 7.5 7.1 6.6 6.1 5.2 4.7 4.1 3.5 2.5 1.6 1.3
1960 11.3 10.3  9.4 7.5 6.1 6.0 6.7 6.9 6.5 6.0 5.4 4.8 4.0 3.5 2.6 1.8 1.5
1965 10.2 10.5  9.8 8.8 7.1 5.9 5.8 6.2 6.4 5.9 5.5 4.9 3.9 3.4 2.8 1.8 1.6
1970  8.3  9.7 10.2 9.5 8.4 6.7 5.6 5.5 5.8 5.9 5.4 4.9 4.1 3.5 2.7 1.8 1.8
1975  6.5  8.2  9.6 9.8 9.0 8.0 6.6 5.4 5.2 5.5 5.5 5.0 4.4 3.8 2.7 2.0 2.1
1980  7.2  7.3  8.0 9.3 9.5 8.7 7.8 6.2 5.2 4.9 5.2 5.1 4.5 3.9 3.0 2.1 2.3
1985  7.5  7.0  7.2 7.9 8.0 8.1 8.5 7.5 6.0 4.8 4.6 4.7 4.6 3.9 3.2 2.4 2.5
1990  7.6  7.2  6.9 7.1 7.8 8.6 8.8 8.0 7.1 5.6 4.5 4.2 4.3 4.0 3.2 2.5 2.8
1995  7.4  7.3  7.2 6.9 6.9 7.4 8.4 8.5 7.6 6.6 5.2 4.2 3.8 3.8 3.4 2.5 3.1
2000  6.8  7.3  7.4 7.2 6.8 6.8 7.3 8.0 8.0 7.2 6.4 4.8 3.9 3.4 3.2 2.7 3.3
2005  6.8  6.6  7.1 7.2 7.0 6.7 6.7 7.0 7.7 7.6 6.8 5.9 4.4 3.5 2.9 2.5 3.6
2010  6.8  6.8  6.6 7.0 7.0 6.9 6.6 6.5 6.7 7.3 7.1 6.3 5.4 4.0 3.0 2.4 3.7