2014

4.0

1989

8.8

2014

7.9

2011

8.5

2014

7.6

2008

8.9

1994

7.8

2010

8.1

2019

8.7

2005

7.8

2012

8.2

2014

7.8

2015

7.7

2016

7.3

2014

7.6

1989

8.0

2012

7.5

2012

7.6

2001

7.8

2015

7.6