1896

5.1

2013

6.1

2015

6.1

2016

7.5

1972

6.7

2020

6.9

2020

6.7

2013

6.0

1980

8.4

2020

6.0

2021

6.6

2017

7.3

1984

7.3

2002

4.7

2008

5.6

2000

6.5

2019

6.2

2009

5.4

7.8