2001

6.6

2009

6.0

2007

4.5

2002

6.1

1994

7.3

1995

7.3

1993

4.4

2014

0.0

2016

1.0

2013

0.0

2013

5.3

2008

4.0

2013

5.6

2016

7.0

2014

6.5

2004

6.2

1989

7.2

2000

7.1

1994

6.8

2003

6.9