2003

7.2

2016

5.0

2014

8.0

2019

8.1

2018

7.5

2021

6.8

2005

7.1

2002

7.1

2013

7.7

1982

7.9

2012

6.6

2001

7.9

2021

7.8

2010

8.4

2024

7.1

1997

7.6

2023

8.1

1994

8.5

1976

8.1

2017

7.4