2016

6.0

2015

7.3

2014

7.4

1998

8.1

2001

7.9

2018

7.5

2016

7.9

2018

6.8

2005

7.0

1972

8.7

2009

7.6

2018

6.4

2020

6.9

2015

7.4

2014

8.5

2010

8.4

1994

8.5

2017

7.6

2015

7.3

2018

7.6