1972

6.3

2014

6.8

1949

6.2

2020

6.7

2024

7.2

6.6

2013

6.1

2009

6.2

1973

5.0

1920

7.3

2017

9.4

2024

6.0

2019

5.6

2024

4.6

1985

6.8

2009

8.8

2008

6.8

2018

6.8

2010

7.9

2016

7.0