2011

6.8

1982

7.6

1990

6.1

1965

6.5

1967

5.5

2020

6.5

1944

6.9

2007

8.2

1988

6.7

1996

5.7

1949

7.5

2017

6.6

2009

5.0

1946

7.5

1951

7.5

1982

6.5

1958

7.5

1953

7.6

1947

6.2

1971

7.2