1999

4.3

1994

7.6

2004

0.0

1995

3.4

1995

7.9

1982

5.1

1995

7.2

2000

3.9

2002

6.7

1996

5.6

1988

6.2

1993

5.2

1989

7.4

2008

4.1

2003

6.4