1972

7.5

1974

7.0

1961

8.0

1986

7.1

2022

7.8

1990

6.0

1988

6.1

1976

7.3

1984

6.3

1946

7.8

2007

7.2

1980

7.1

2012

7.9

1955

7.2

1985

7.0

1968

7.4

1988

5.2

1947

7.7

1994

8.3

1983

6.6