1975

8.0

2002

7.4

1980

6.2

1961

6.8

2024

0.0

2007

5.4

1994

6.2

1976

7.3

2007

5.6

1999

6.0

2001

6.9

1963

7.0

1985

6.5

1979

6.0

1959

7.9

1991

6.8

2000

6.1

2006

6.7

1960

7.5

1974

6.4