2018

6.3

1995

7.9

2013

7.5

2023

9.3

2003

5.0

1992

6.4

2014

5.9

2007

8.1

2015

7.8

2017

8.5

2009

7.6

2010

7.4

1937

7.2

4.2

1983

6.5

2021

6.2

2016

6.2