2015
6.3
2017
5.8
2016
5.7
2017
6.3
2009
5.5
1965
8.3
2018
6.9
2001
6.8
2017
7.7
1998
6.8
2018
6.2
2016
6.8
2012
7.7
2018
5.6
2018
5.7
2018
6.5
1999
6.0
2017
6.6
2018
6.6
2014
5.7
2013
6.4
2018
6.7
2018
6.2
2018
6.0
2013
7.0
2016
3.8
2005
7.1
2018
5.6