2011

7.0

2017

7.6

2019

8.1

2008

8.5

1994

8.5

1994

8.7

2014

8.0

2007

7.5

2016

7.6

1962

7.0

2016

7.9

2007

7.9

2018

7.3

1977

8.2

2014

8.0

2014

8.4

2014

7.9

2015

7.6

2019

7.6

1982

7.9