2022

3.9

2021

9.2

2020

6.1

2023

5.9

2021

7.5

1964

7.4

2014

7.6

2014

7.4

2011

6.3

2013

5.7

2018

6.7

2011

7.3

2005

5.5

1992

6.0

1938

3.8

2016

7.4

1999

7.2

1987

6.4

2012

6.9

2019

10.0