1982

4.6

1983

5.5

2017

5.2

0.0

2014

5.8

1941

6.3

2012

7.8

2007

5.0

2003

6.0

2008

5.2

2002

6.4

1964

7.4

1997

5.5

2019

7.5

2000

4.7

1979

7.0

1938

6.0

2009

5.5

2014

7.7

2006

5.0