2007

7.6

1998

1.5

1998

6.0

1997

7.3

2000

3.5

1998

7.5

1990

7.4

2001

7.6

1996

5.8

1988

3.3

2021

0.0

1995

6.7

1998

1.0

2004

5.4

2001

5.8

1999

6.8

2001

6.6

1985

7.1

1999

7.9

2009

4.6