2020

6.1

1989

6.7

2021

5.3

2023

9.3

2014

6.7

2016

8.0

1991

5.7

2004

6.4

1955

6.1

1946

5.8

2013

6.5

2010

5.4

2005

6.8

2019

7.6

2017

8.5

2016

6.6

2018

5.3

2003

5.2

2015

7.4

2012

6.3