[Retracted] Intelligent Performance Evaluation of Urban Subway PPP Project Based on Deep Neural Network Model

Table 1

Statistics on participation in infrastructure PPP by region.

Region	Fields
	Quantity/pc	Percentage	Investment (million)	Percentage
East Asia	2253	32	553000	20
Central Asia	1021	13	463000	17
Latin America	2113	27	998000	40
Middle East	263	5	132560	7
South Asia	1452	19	436872	13
South Africa	654	14	196358	10