1985

5.8

2009

10.0

1991

6.5

1989

2.0

1991

0.0

0.0

1995

0.0

1989

0.0

1971

0.0

1974

8.0

2006

6.8

2002

6.9

1983

6.0

1966

0.0

2002

5.5

2007

7.3

1997

4.5

1972

5.9

1969

4.0

1966

5.7