2013

3.9

2000

3.3

2004

6.6

2014

5.9

2014

5.2

1996

4.5

2010

4.4

2011

3.8

2015

5.4

1989

6.6

2003

6.9

2009

5.1

1997

3.3

2014

4.3

2019

5.9

0.0

2005

3.6

1988

6.3

2005

6.2

2007

4.2