1985

7.0

1990

6.8

1982

6.0

1977

6.3

1998

6.2

2007

5.9

1974

0.0

2023

5.7

1955

6.5

1934

7.8

1979

0.0

1955

0.0

0.0

1971

6.0

2013

5.3

1933

5.4

1966

5.8

1981

0.0

1964

1.0

1995

6.6