6.8

2014

5.6

2020

6.3

2022

3.2

2011

9.7

2011

9.1

2004

7.5

2018

5.3

1967

6.0

2021

7.5

1940

5.8

2012

8.4

2011

7.5

2023

6.6

2011

7.4

1972

6.3

1999

5.7

2011

6.0