2015

7.2

2005

8.1

1961

7.0

2018

8.4

2008

7.8

1990

7.4

2007

7.6

2016

7.8

2014

7.8

2003

7.2

2011

8.1

2003

7.7

2013

7.6

2018

7.2

2015

7.7

2006

7.1

2010

7.7

1964

7.9

2005

7.6

2018

7.2