1961

0.0

1985

7.1

1966

7.0

1977

6.3

1981

0.0

1978

0.0

2007

5.9

1975

0.0

1984

0.0

1971

0.0

2013

5.3

1955

6.6

1939

0.0

1989

7.0

1964

0.0

1992

7.7

1964

0.0

1934

7.8

2020

7.8

1965

7.0