1980

5.6

2012

5.9

1989

7.3

2020

5.5

1993

5.4

2023

7.4

2012

7.5

2006

5.3

1936

6.7

2015

6.9

1999

7.7

2003

7.0

7.8

2017

7.3

2022

6.1

1921

7.6

2010

4.9

2006

6.3

1992

5.7

2013

5.3