2015

6.0

1990

6.5

2010

6.6

2014

6.5

2014

6.5

2014

6.1

2010

5.3

1963

7.0

2021

7.4

2018

7.1

1999

7.0

2014

5.7

2016

6.9

2006

4.9

2009

6.2

2011

6.7

2013

6.1

2010

5.3

2006

6.4

1993

5.6