2008

7.8

2004

8.0

2013

8.7

2011

7.6

2001

7.6

1995

8.2

2019

8.7

1994

8.4

1974

7.7

2001

7.7

2020

7.7

2017

7.5

2002

7.1

2021

8.5

1998

7.0

2005

7.6

2012

8.5

2015

8.7

1991

7.4

2012

8.4