1983

6.6

2007

6.9

2018

6.8

2018

6.7

1965

6.3

2018

5.5

2012

5.9

2017

7.4

2012

7.0

1972

6.2

2009

6.1

1941

6.4

2010

5.2

2024

5.7

2004

4.8

2002

7.5

2009

6.2

2014

6.8

2007

7.4

1991

5.9