1986

7.0

1983

6.6

1972

6.5

1957

5.9

1966

7.9

1989

4.4

2009

0.0

1969

6.8

1995

7.3

2019

10.0

1999

3.3

0.0

1979

5.5

1957

6.4

2011

5.7

1977

6.6

1936

6.9

1939

5.6

1926

0.0

1993

0.0