1948

7.4

2015

6.6

1978

7.1

1966

6.2

1949

7.5

1952

7.5

1958

6.8

1998

6.1

1933

5.5

2020

6.7

1972

5.9

1961

7.5

2015

7.1

1945

7.4

2017

7.3

1921

6.8

1985

5.5

1976

7.6

2001

6.5

1962

7.1