2005

6.9

1992

5.6

2001

5.8

1991

4.6

1982

5.9

2001

4.7

1994

7.5

1998

7.4

2006

6.7

2011

6.1

2004

7.7

1994

0.0

1993

0.0

2005

5.8

1992

7.2

2000

0.0