2001

6.0

2012

6.6

1990

6.2

1985

4.9

1990

5.0

2004

6.9

2006

8.0

2000

4.9

1998

5.1

2006

6.5

2007

4.4

1992

3.0

1999

7.7

2005

0.0

2006

4.5

1995

7.0

2017

5.5

2004

5.6

2010

7.8

1995

5.3

2006

6.1

2014

7.6

2005

5.1

1998

0.0

1992

0.0

2015

5.6

1999

6.2

1993

7.7

2003

6.5