1980

5.0

1975

4.5

1985

4.5

1963

0.0

1985

4.4

2005

3.7

1968

6.3

2007

5.0

1964

10.0

1953

0.0

1985

0.0

1978

6.2

1980

6.0

1961

7.3

1974

6.9

1976

2.0

1981

7.2

1977

7.1

1983

5.5

1986

0.0

1960

0.0

1979

0.0

1975

7.7

1974

5.1

1967

0.0

1982

5.3

1984

6.4

2008

0.0

1980

8.0

1976

0.0