2007

4.8

2003

5.8

2008

7.8

2020

6.0

2012

8.7

5.7

2020

7.7

2003

6.9

2009

5.1

2017

6.1

1937

6.8

2018

5.3

1967

6.5

2013

8.5

2008

7.5

2003

3.5

1940

6.6

2017

7.3

6.2

1980

4.0