2011

6.3

2014

6.4

2009

5.6

2017

5.3

2003

8.8

2011

5.7

2016

6.5

2003

6.9

1936

6.0

2004

6.7

2015

6.9

6.2

2019

8.3

2006

9.8

2010

4.6

2020

10.0

1988

7.0

1970

6.0

1975

4.5

2012

6.8