1957

7.2

2005

7.2

1983

7.4

1953

7.3

1991

7.0

1973

7.5

2011

7.1

1898

6.9

2013

4.7

1971

7.1

1987

7.1

2009

5.4

2021

6.6

2022

5.8

1981

7.4

1953

7.9

1988

7.7

1950

7.5

1991

6.4

5.5