2017

6.8

2012

8.4

2019

6.6

1972

7.7

1991

7.6

2014

6.1

2020

7.1

2017

6.4

2013

7.9

2018

7.4

1992

6.8

2022

7.3

2014

7.8

1978

7.0

1955

5.9

2006

9.3

2020

7.7

2008

8.3

2016

8.0