| 2017 | | 320 15.8 | 256 12.6 | 224 11.1 | 309.7 | 11.9 2016 2017 | | | | | | | | 80 % | | 70% | | | | | 7 2 | 2017 | 2017 | | | | | | | | | | | 8 | | | | | | | |