1999

7.8

2016

6.7

2009

7.7

2023

7.2

2016

7.5

1971

8.1

2008

7.6

2004

7.9

2023

7.7

1984

7.7

2016

7.7

2011

7.1

2012

7.0

1995

7.8

2003

7.7

2015

7.8

2014

7.5

2017

7.9

2024

7.8

2004

7.5