2007

4.6

1996

3.6

1988

6.9

1995

3.5

1999

5.9

2011

6.0

2003

6.2

1998

0.0

1983

7.0

2000

0.0

1997

6.2

1997

5.8

1997

6.8

2021

7.8

1993

0.0