2008

6.9

1975

0.0

1945

6.6

2012

4.9

1915

6.5

1986

7.7

1994

6.4

1971

5.1

1934

0.0

1961

6.3

2017

6.0

2009

6.8

2007

5.9

2010

6.8

2001

2.0

1928

4.5

2015

6.4

2018

5.3

2016

6.0

1971

7.2