1994

0.0

1973

7.1

1998

5.9

1992

7.3

1966

4.6

1967

4.2

1971

8.0

1983

6.0

1981

7.5

1979

8.6

1978

8.4

1995

7.9

2008

7.4

1972

6.8

1978

8.1

1977

5.9

1980

7.3

1981

6.4

1986

7.2

1977

6.0

1963

6.6

1996

8.2

1980

6.7