1956

6.7

1970

6.1

1998

7.5

1977

7.2

2003

7.2

1999

5.4

1950

6.0

2021

7.2

1995

7.1

1981

6.1

1935

8.0

1951

6.9

1957

6.0

1962

6.5

1972

0.0

1941

7.1

1997

5.0

2001

7.4

2023

6.3

2010

5.4