2009

7.1

2016

7.0

2019

8.1

1979

8.2

1983

7.9

2013

8.0

2001

8.5

2018

8.0

2013

7.5

1994

8.7

2017

7.2

2015

7.6

1972

8.7

2014

8.5

2019

7.2

2001

7.9

2011

7.3

2018

7.4

2014

8.0

2019

8.2