1954

4.6

2001

7.8

2004

7.3

1991

6.8

1984

7.7

1975

0.0

1985

0.0

1971

0.0

2000

0.0

2018

6.1

1997

0.0

1997

4.8

1982

6.7

1953

7.0

2013

5.0

2013

5.0

2008

6.3

2007

4.8

1933

0.5

2020

6.0