1950

8.1

2001

6.9

1956

0.0

1979

0.0

1976

0.0

1975

0.0

2000

0.0

1971

0.0

1972

7.4

1934

0.0

0.0

2013

0.0

2009

0.0

1969

0.0

1973

6.0

0.0

1995

6.4

1999

7.2

1967

5.7

2006

5.5