1940

5.7

1942

6.4

1948

7.4

1943

5.7

2004

5.8

1967

6.1

1958

5.4

1935

6.6

1990

6.0

2001

8.2

2007

6.0

2018

6.7

1974

0.0

2006

10.0

1974

8.5

1980

0.0

2008

5.4

2008

0.0

1928

7.0

1924

7.6