Impact of Closed Operation Strategies on Profit of Core Enterprise in Closed Supply Chain for Vegetables: A System Dynamics Approach

Table 1

Volumes and values of Yunnan’s vegetables exported to Thailand from 2015 to 2020.

Year	Volume unit: ton	Value of exports unit: dollars (million)
2015	13,058	120
2016	15,926	110
2017	180,759	110
2018	175,505	100
2019	209,136	140
2020	241,045	192

Source: Kunming Customs.