1992

9.5

1996

6.7

2020

6.7

2013

5.8

1895

5.4

5.6

2019

7.1

2004

9.4

2021

6.2

2007

6.5

2010

5.6

2006

6.3

2011

7.2

1982

6.2

2018

7.5

2014

6.6

1976

7.3

2018

6.1

2016

6.4

2010

6.0