00.511.522.533.544.55-20.00%0.00%20.00%40.00%60.00%80.00%100.00%120.00%140.00%160.00%42.3% 45.3% 40.3%33.5%24.3%12.5%2013 2014 2015 2016 2017 20188.3% 10.0%20.4%11.1% 11.5% 6.3%31.1%59.7%46.2%28.9%6.0%20.1%22.2%11.8%9.8%16.6% 12.9%5.4%17.5%24.3%21.6% 25.0% 32.6%49.8%16.2%12.0%20.0% 27.3%23.4% 24.5%27.9% 21.3%28.5%7.9%38.3%20.5% 11.6% 8.2% 6.9%5.6% 7.5%4.3%4.6%13.9%29.4%57.3%89.4%88.7%95.6%7.2% 7.9%4.5%10.9%35.8%9.3% 11.8% 9.8% 10.7% 5.6% 7.7% 8.8% 4.6%