2008

5.1

1964

1.0

1969

4.5

1974

0.0

1970

6.5

1982

0.0

1972

4.1

1989

0.0

1969

6.6

1972

0.0

1974

0.0

1988

7.5

1977

6.3

1991

0.0

1970

0.0