项目

2018

2019

2020

2021

2022

存货余额

26,857.48

2,602,301

3,213,194

4,450,947

8,049,335

存货跌价准备

52,713

45,146

73,558

115,468

138,615

存货比例

13.5%

13.1%

15.62%

14.66%

16.02%

存货周转率(次)

4.14

3.28

3.64

4.24

4.87