2020

7.0

2012

6.0

2014

6.8

2018

5.3

2006

6.4

1955

6.2

2018

5.8

2011

9.5

1977

6.0

1997

7.5

2003

6.1

1999

7.3

2015

5.9

5.3

1999

5.7

2016

7.0

2007

10.0

2009

7.5

1920

6.0

2008

7.5