1931

5.8

1941

6.2

2013

7.6

2021

7.4

2011

6.4

2019

5.0

2022

7.0

1982

8.1

2011

4.3

2015

6.5

2001

8.0

1983

6.3

2010

5.7

1998

6.1

1991

4.6

2023

9.4

2018

6.9