2003

0.0

2000

5.1

1993

6.1

1988

7.2

1987

6.8

1997

2.0

2000

6.2

2010

6.6

1993

6.4

2017

0.0

2001

5.9

1995

4.4

1986

5.0

2014

9.0

1982

6.8

1991

0.0

1994

5.3

2003

6.8