Impact of Digital Transformation of Engineering Enterprises on Enterprise Performance Based on Data Mining and Credible Bayesian Neural Network Model

Table 2

Changes in operating profit margin, gross profit margin, and net profit margin of W enterprise from 2010 to 2021.

Year	Operating profit margin	Gross profit margin of sales	Net profit margin on sales
2010	5.448	17.344	3.713
2011	5.73	17.675	3.571
2012	5.845	17.598	6.62
2013	8.278	20.17	6.421
2014	7.656	21.135	6.197
2015	9.481	21.22	7.044
2016	9.782	24.386	8.659
2017	9.381	23.334	8.279
2018	11.837	23.979	5.24
2019	11.397	27.208	4.992
2020	11.217	27.512	8.598
2021	12.278	27.249	9.182