10.0

2009

7.4

2006

5.5

2021

6.2

2011

6.8

2018

7.2

2003

7.3

1982

6.7

1895

5.4

2016

7.0

2013

5.8

2015

5.7

2014

5.6

8.0

1960

7.5

2012

6.0

1980

6.7

2015

5.5

2007

6.6

1958

7.6