2006

6.3

2002

6.1

1968

0.0

1969

3.9

1980

1.0

2015

6.8

1948

7.0

1967

0.0

1984

0.0

1984

0.0

1987

0.0

1972

0.0

1995

6.3

1932

7.0

1919

6.9

1975

7.5

1999

7.3

1935

4.0

1983

4.5

1933

6.2