1977

6.6

1986

7.0

1946

6.6

1946

6.5

1942

6.3

1939

6.9

2004

6.4

2009

7.2

1970

6.8

1985

6.7

1988

6.6

1932

4.5

1942

6.5

1939

7.1

1976

5.8

2000

5.9

2007

6.9

2002

6.1

1943

6.8

2018

4.3