2014

7.0

1979

6.0

2015

6.2

2010

7.2

2018

6.5

2009

5.1

2018

6.5

2013

6.9

2011

5.2

2011

8.5

1990

4.4

2014

8.0

2019

6.8

2017

6.8

2000

8.1

2004

4.8

2022

5.8

1931

5.8

2011

6.7

2006

6.9