2021

6.0

2003

6.2

2007

8.1

2013

6.1

1999

7.2

2018

6.3

1971

6.1

2020

6.9

2020

6.0

7.8

2008

6.8

1984

6.5

1978

6.7

1895

5.4

2016

7.5

2015

4.6

2012

6.3

1959

6.0

2014

7.6

2016

6.2