2002

7.5

2016

7.2

2009

8.0

1984

7.0

2017

8.3

2020

7.2

2011

7.4

2006

7.8

2013

7.6

2022

7.3

2012

8.2

1978

6.8

2015

7.8

2008

6.7

1990

7.1

1990

7.4

2003

7.9

2007

7.6

2000

8.0

1998

10.0