2010

6.0

2013

5.6

1992

6.5

2013

6.6

2011

7.5

2018

8.0

1941

7.0

2014

8.5

2019

7.1

1997

7.9

2009

7.6

2014

7.8

1950

7.0

2006

6.6

2016

7.0

2016

7.6

1972

8.7

2017

6.5

2004

8.4

2014

7.7