1982

6.9

2001

7.0

1985

5.3

1980

2.0

1994

6.4

1969

0.0

2003

0.0

1999

6.8

1958

0.0

2000

8.0

2000

0.0

1999

6.1

1976

5.8

2002

7.1

1975

5.3