2010

7.1

8.1

2016

6.9

2004

7.8

2004

5.7

2013

6.5

2018

6.0

2003

5.5

1966

6.1

2014

6.4

2020

5.9

2016

4.7

2016

6.2

2014

5.9

2011

6.2

2014

6.5

1993

5.5

2014

6.9

2012

5.8

1990

6.0