2005

4.9

1982

4.2

1987

3.7

1977

6.4

2004

7.5

1964

0.0

2001

7.5

1962

0.0

1965

0.0

1967

6.5

1965

0.0

1953

0.0

1941

0.0

1956

8.5

1959

6.2

1961

0.0

1977

8.0

1969

0.0

1970

0.0

1967

7.2