2017

6.3

1988

0.0

2017

5.7

2017

2.0

2001

5.0

2005

8.5

2004

6.6

2011

6.0

2005

5.7

2003

5.1

2002

5.8

1994

6.9

2012

7.5

2013

6.5

1997

6.2

2011

8.1

2016

6.5

2015

7.3

1999

5.3