2018

5.5

1965

7.7

2017

5.8

2014

6.9

2017

7.6

2015

7.9

2010

8.4

2017

7.6

1972

8.7

2013

8.0

1994

8.7

2019

8.1

1980

8.2

1979

8.2

2014

8.5

2016

7.5

2010

8.2

2017

7.2

2014

7.9

2017

7.2