Choice of Environmental and Economic Path for Building a Supply Chain Financial Cloud Ecosystem under the Background of “Internet +”

Table 6

Self index preprocessing data table.

Year	Operating cost	Operating loss	Raw material cost	Operational pollution cost	Carbon allowance
2016	2.12	2.31	3.15	3.17	3.49	0.001
2017	2.54	2.55	3.10	3.20	3.78	0.002
2018	2.29	2.31	3.01	3.22	3.76	0.002
2019	2.43	2.59	3.20	3.58	3.77	0.001
2020	2.06	2.73	3.20	3.65	3.94	0.001