2007

5.8

1990

0.0

1967

7.1

1980

6.5

1988

5.9

2004

6.3

1997

0.0

1953

5.0

1971

6.0

2005

6.6

1972

6.6

2014

4.6

1942

5.2

1945

6.2

1940

4.5

1993

6.7

1954

5.6

1921

5.8

2017

5.7

1951

4.5