2006

6.9

2023

7.2

2010

6.3

1994

8.7

1988

7.4

1994

8.3

2007

7.3

2019

8.1

1999

7.6

2012

7.1

2001

7.9

2017

6.7

2006

7.8

2008

8.5

2009

8.2

2013

7.9

2018

7.6

1995

8.4

2016

7.8

2002

7.7