1979

6.9

1979

7.4

2001

6.9

1987

7.6

2019

8.0

2021

6.8

2004

7.9

1977

7.1

1997

8.4

1959

5.0

1955

5.0

1960

4.7

1995

7.0

1946

7.8

1940

8.3

1942

6.6

1997

7.2

1943

0.0

2006

7.5

1941

6.0