1970

6.8

1969

7.8

1984

0.0

1987

10.0

1991

4.5

2000

2.2

1998

2.0

2008

5.8

1995

5.6

2001

0.0

1987

5.8

2003

0.0

1973

0.0

1959

0.0

1983

4.0

2005

0.0

1980

0.0

1989

4.8

1971

0.0

1989

0.0

1999

0.0

2014

6.0