2004

6.7

2015

5.1

2012

9.8

2013

7.6

1895

5.5

2006

7.7

1997

5.7

1993

4.8

2005

5.8

2012

6.7

2013

7.4

2016

5.3

2016

6.6

2020

6.4

2012

6.1

2014

5.4

2008

7.8

2009

5.7

2009

7.3

2012

5.5