2016

6.1

1997

0.0

2004

7.9

2014

6.2

2000

3.9

1990

0.0

2003

5.9

2005

6.2

1985

7.7

1992

5.4

2001

6.7

1998

0.0

1992

4.7

2004

4.9

2008

4.0

2009

4.7

1993

8.4

2012

5.1

2018

0.0