年份

2017

2018

2019

2020

2021

流动资产

169,810,676

182,689,438

216,482,692

241,655,325

248,864,505

流动负债

119,091,857

130,231,088

144,318,484

184,150,502

222,851,476

营运资本

50,718,819

52,458,350

72,164,208

57,504,823

26,013,029

经营运资本增加额

19,281,499

1,739,531

19,705,858

−14,659,385

−31,491,794