1993

5.1

1984

7.7

1974

5.3

1982

4.6

1989

6.0

1991

8.0

1981

4.4

1995

5.9

2003

4.1

1999

5.2

1994

7.0

1993

4.4

1983

0.0

1987

6.0

1969

9.0

1983

0.0

1988

5.0

2003

3.0

1989

5.8

1993

0.0

2002

8.3