2007

4.0

1990

6.2

2006

0.0

1991

7.1

2007

0.0

1999

4.0

1990

5.0

1993

0.0

1983

7.0

2002

7.2

2000

7.8

2001

6.9

1992

6.0

1988

6.7

1986

3.3

1983

5.7

2007

7.0

2012

8.0

2008

7.0