年度

2013

2014

2015

2016

2017

2018

2019

2020

2021

2022

排放量(公吨)

1632.64

1472.81

1478.28

1467.72

1484.39

1604.3

1756.29

2399.54

1235.16

1876.73

存货周转率(次)

14.42

13.91

13.59

13.60

11.87

12.09

10.11

9.00

8.12

7.01

营业收入周转率(%)

106.66%

108.93%

98.48%

97.87%

102.62%

105.90%

99.68%

109.00%

108.22%

92.76%