2015
7.7
2020
6.7
2019
7.9
2020
7.7
2011
8.5
2020
6.6
2018
6.6
2017
6.7
2016
6.6
2018
6.6
2018
7.0
2018
6.8
2020
7.5
2017
8.1
2020
8.5
2015
6.8
2017
6.6
2019
6.4
2019
6.2
2017
6.2
2018
6.5
2018
6.5
2016
8.1
2012
8.6
2018
5.9
2003
8.1
2014
8.3
2016
7.6