2019

5.7

2018

6.0

2017

6.6

1997

6.7

2021

6.7

1959

8.2

2023

6.6

1987

6.7

1972

4.0

2021

7.8

2010

7.1

2020

5.9

1981

6.5

2015

7.4

2008

8.0

2014

7.3

2021

6.7

2009

5.7