2015

6.4

2000

10.0

1998

6.2

2004

3.8

2016

6.0

2001

5.1

1999

2.0

1988

6.4

2010

5.9

2013

6.3

1997

0.0

1997

5.5

2001

7.3

2001

4.0

2009

9.2

2022

0.0