2020

7.4

2006

5.0

2014

7.6

2018

5.0

2007

7.9

1994

7.6

2006

7.2

2001

4.3

2008

6.9

1989

6.0

1923

8.5

2012

7.0

2016

7.4

2022

6.8

2017

6.0