1962

7.0

1960

5.2

1992

7.3

1976

5.8

1990

6.0

1985

8.0

2002

5.0

1960

8.0

1987

8.0

2014

6.4

1979

8.0

1994

7.0

2002

6.8

1998

7.4

1977

6.3

1973

8.5