2013

6.6

2009

5.6

2018

4.9

2017

5.8

2003

0.0

2009

4.4

1994

6.0

2001

4.0

2000

7.1

1996

5.7

2016

8.1

2013

5.6

2011

5.2

2015

5.0

1998

7.1

1997

5.2