1994

3.5

2012

5.6

2002

4.5

2011

0.0

2000

5.7

2017

0.0

2004

4.2

2012

0.0

2000

6.3

2001

10.0

2020

6.4

2003

6.0

1996

2.0

2004

6.5

2003

0.0

2002

0.0

2014

6.7

1999

4.4

2005

5.3

1991

6.7

2004

6.9

1997

6.5

2005

4.0