RETRACTED: Application of Machine Learning Algorithms in the Development and Consumption Trend of Green and Intelligent Vehicles under the Background of Big Data

Table 2

The number of cars and the number of drivers.

Years	Motor vehicles (100 million units)	Drivers (100 million)	Sewage discharge (100 million tons)
2015	1.99	2.01	4.57
2016	2.59	3.15	5.78
2017	3.10	3.85	6.89
2018	4.90	5.12	7.98
2019	5.14	5.30	10.65
2020	6.98	7.03	12.09