Year | Operating income | Business tax and additional | Tax rate |
2012 | 7881553.41 | 206384.4 | 2.62% |
2013 | 8377383.22 | 197020.05 | 2.35% |
2014 | 9059146.51 | 173341.51 | 1.91% |
2015 | 8867276.5 | 176473.07 | 1.99% |