1988

0.0

2006

6.1

1967

0.0

1961

5.4

1962

2.0

1989

6.0

1971

7.1

2008

4.9

1988

0.0

2004

6.0

2008

0.0

1964

7.0

1970

0.0

2011

0.0

1986

0.0