2016

4.2

2008

7.5

2009

7.5

2010

7.1

2021

7.7

2015

5.0

2003

5.9

2012

8.0

2006

6.4

2007

7.7

2013

5.5

2016

7.0

2010

5.5

2021

7.5

2011

5.8

1992

5.7

1940

6.0

2009

6.0

2017

3.0