2017

7.8

2016

9.2

2017

8.2

1999

8.7

1958

7.5

2014

8.2

2013

8.4

2000

8.2

2016

7.8

2005

8.3

2003

8.2

2012

8.2

2021

8.5

1997

7.3

2014

8.3

2012

8.6

2015

7.7

1997

7.9

2008

8.4

2009

8.4