2010

6.8

1976

0.0

1981

1.0

1969

5.5

1966

7.5

1977

7.0

1974

4.6

1976

5.5

1971

6.3

1980

6.1

1991

5.6

1980

6.3

1972

5.7

1964

6.4

1976

1.3