180 160 140 120 100 80 80% 70% 60% 50% 40% 30% 20% 10% 0% 60 40 -10% -20% -30% 20 0 2016 2017 2017 2018 2018 300 250 200 150 100 50 0 9 8 7 6 5 4 3 2 1 0 20% 15% 10% 5% 0% -5% -10% -15% -20% -25% 2017 2018 2017 2018