2019

7.6

2013

7.0

1998

6.9

2015

7.8

2008

7.7

2015

7.7

1980

8.6

2018

7.7

2004

7.3

2005

7.6

2020

7.7

2013

7.5

1998

7.5

2007

7.4

2012

8.2

1965

7.8

2015

7.4

1982

7.6

2015

7.2

2014

7.4