2021

6.8

2020

7.2

2009

5.0

2019

6.7

1993

5.5

2003

5.8

5.7

1971

6.8

2023

8.0

1976

6.8

2002

5.4

2022

7.8

2019

7.0

2012

4.5

1987

7.1

2014

4.5

2016

7.8

2010

6.5

2021

9.3

2021

9.8