2004

7.3

2007

6.7

1999

8.2

2003

7.1

2003

6.7

1993

6.7

2001

6.5

2020

0.0

2003

6.2

1998

7.3

1989

4.2

1997

6.5

1995

5.8

1995

5.5

1989

5.7

1992

5.6

2000

6.0

2005

5.6

1995

5.8

2004

6.7