1998

6.9

1984

7.6

2024

8.3

2011

7.2

2021

7.3

1999

7.4

2012

6.6

2020

7.6

2018

7.3

2019

8.1

2014

7.1

2020

7.0

1996

7.7

2015

8.1

2013

7.6

2016

7.1

2021

7.1

2017

8.4

2019

8.0

2010

7.5