2013

5.8

1977

2.0

2009

5.8

1957

6.6

1976

7.2

1936

0.0

1972

7.7

1976

5.6

1963

5.9

2019

6.5

2005

6.8

2015

7.0

1952

7.3

1980

0.0

2007

7.6

2004

5.8

2016

6.0

1987

7.3

2008

5.9

2017

1.0