2014

5.6

2020

6.7

2019

7.2

1987

8.0

2023

5.8

2009

6.3

2006

5.8

1982

5.8

1975

4.5

2015

8.1

2013

6.6

2017

6.7

2010

6.5

1997

6.9

2004

4.8

2018

5.4

2000

7.0

1954

7.2

2022

7.8

2012

6.8