2017

6.1

1996

9.4

2008

4.6

2018

8.4

5.7

2012

2.8

2015

7.4

1952

6.0

1993

6.5

2020

5.0

2021

8.2

2024

5.8

2011

6.6

2022

7.0

2020

6.8

1940

5.0

1940

5.5