2014

6.0

2001

6.0

6.1

2002

6.5

2002

5.8

2021

5.7

2013

9.6

2005

5.4

1998

5.2

1960

7.2

2013

6.0

2012

7.0

2013

6.1

2012

8.2

2014

7.7

2017

6.7

2015

5.9

2007

3.3

2016

4.7