2007

5.8

2017

4.5

2013

6.1

2002

6.2

2004

5.2

1999

7.0

2006

5.7

1995

3.5

2000

0.0

1994

1.0

2003

5.8

2014

4.9

2012

7.6

2002

5.5

2000

7.3

2010

0.0

1998

5.7

2017

6.3

2016

7.0