1979

6.9

1979

7.4

1950

8.1

1950

8.1

2004

7.9

1977

7.1

1997

8.4

1975

8.0

1951

5.2

2017

7.1

2001

6.0

1943

5.4

2005

7.1

1977

7.2

1975

6.4

1944

5.5

1970

6.9

1959

5.4

1955

6.6

1984

5.0