1971

0.0

1981

6.9

1998

2.7

2008

7.6

1980

6.1

1963

7.1

2002

7.0

1968

6.5

1982

0.0

1982

0.0

1995

0.0

1976

0.0

1953

6.7

1999

4.3

1966

6.4

1972

7.2

1987

7.5

1981

0.0

1975

0.0

1973

0.0