1999

2.0

2006

0.0

2009

0.0

1964

7.0

1995

2.0

1987

0.0

1980

0.0

2017

0.0

1976

6.0

1986

5.3

1985

6.1

2008

4.9

1987

4.7

1979

6.5

1990

0.0

1970

6.2

2003

6.0

1998

4.0

1992

8.0

2003

0.0