1952

7.0

1964

7.4

1946

7.7

1981

7.2

1965

6.8

1980

7.9

1956

8.0

1961

7.8

1958

7.5

2021

7.4

1973

7.9

1967

7.3

1989

8.1

1970

6.4

2018

7.5

1974

8.6

1998

6.6

2007

6.1

1976

7.4

1939

7.5