1955

6.0

1985

0.0

1980

7.8

2007

7.4

2015

7.1

1977

5.0

1958

5.7

1999

0.0

1960

6.1

1997

8.5

1967

6.3

1965

6.3

1970

6.5

1959

7.2

1977

6.1

1964

6.2

1985

0.0

2025

4.3

1997

0.0

1991

8.0