2010

6.5

2016

4.9

2011

6.3

1955

7.4

2012

4.9

1972

6.6

1998

6.1

2018

6.5

2012

6.3

1981

6.4

2019

5.7

2004

7.1

2011

5.5

2013

6.9

2016

7.0

2015

6.3

1999

6.0

2014

6.2

2018

6.5

2012

5.6