1951

7.1

1972

0.0

1975

7.5

1956

6.7

1992

5.9

1953

7.3

1978

5.0

2014

6.2

0.0

0.0

1995

6.5

1996

3.8

1940

6.5

1956

0.0

1949

4.7

2001

6.4

2007

5.5

1977

4.7

2005

6.2

1983

7.3