1983

0.0

1924

7.4

2005

6.2

2016

0.0

2008

5.3

2008

6.5

1944

5.8

2002

6.1

2000

6.6

2012

8.2

2006

0.0

1974

5.6

1950

6.9

2013

4.7

1988

1.5

1967

7.3

1964

5.9

2013

5.9

1934

6.4

1973

6.8