0.0

2010

7.1

2017

6.1

7.0

1969

5.1

2018

6.3

2021

7.7

2013

7.6

2006

6.1

2015

4.4

2019

7.5

2006

6.9

2006

6.4

1923

8.5

1898

5.7

2016

4.7

2019

5.8

2020

6.4

1985

6.8

2016

6.1