2012

6.6

2017

6.7

2012

8.4

2005

7.0

2015

6.5

1993

8.1

2003

7.8

2010

7.7

2001

6.9

2016

7.3

2009

6.1

2001

7.3

2009

8.4

2019

7.2

2000

7.5

2018

7.6

1990

6.9

2010

6.8

2015

7.7

2013

7.3