2010

4.9

1983

6.9

1965

7.0

1989

5.7

1950

7.5

1959

8.2

1955

6.3

2006

10.0

1943

7.5

2008

6.2

1989

6.2

1990

6.1

1988

6.2

2008

7.5

1986

8.0

2010

4.6

2018

7.1

1920

6.7

1983

6.7

2009

5.5