1993

3.0

2000

4.5

2015

0.0

1989

3.1

1995

2.7

1999

5.0

2014

7.9

2007

4.7

2009

7.0

1988

0.0

2005

4.7

2011

4.2

1998

9.0

2004

4.2

2012

4.8