1998

6.2

2007

5.9

1990

6.8

2023

5.7

1982

6.0

1977

6.3

1985

7.0

1934

7.8

1955

6.5

1974

0.0

1981

0.0

1968

6.6

1971

2.0

1977

0.0

1991

0.0

1989

7.0

1995

6.6

1959

5.0

1983

0.0

1975

7.3