2013

5.3

1985

7.1

1950

8.1

1932

7.0

1950

7.4

1972

0.0

1954

7.2

0.0

1983

4.5

1955

7.3

1968

6.5

2006

5.4

1990

6.9

1966

7.0

1977

6.3

1998

6.3

1989

7.0

2007

5.9

1978

0.0

2020

7.8