2012

9.7

2006

6.4

2001

9.9

2014

6.9

2009

8.5

2016

4.5

2011

9.7

2007

9.8

2000

10.0

2001

6.0

2018

6.0

2012

9.4

2002

5.4

2015

6.3

2015

5.1

2011

5.0

1999

7.1

2008

5.4

1989

9.2

2016

6.0