2010

4.2

2008

7.6

2010

8.2

1995

7.2

2015

6.4

2004

7.9

2011

7.1

2011

8.3

2017

7.2

1996

7.1

2012

7.8

2014

6.1

1994

8.5

2001

5.8

1999

7.6

2015

6.9

1997

7.9

2002

7.5

2003

6.2

2013

5.6