2015

7.3

2012

8.0

2009

8.7

5.8

2022

6.7

5.0

1966

5.5

2017

8.1

2007

5.7

2017

4.6

2018

6.1

2012

9.4

2014

5.8

1977

6.8

2014

4.6

2018

7.5

2017

5.9

2013

6.0

2008

5.7

2016

6.0