2014

7.6

2020

7.2

2022

9.9

2013

6.6

1989

6.0

2016

7.5

2023

9.3

2013

6.1

1980

5.9

2016

6.2

2021

4.2

2019

6.0

2018

9.2

1966

6.9

2010

7.0

1930

3.5