Impact of COVID-19 on Port Production and Operation Based on System Dynamics: A Case Study of Shanghai Port in China

Table 7

The impact of COVID-19 epidemic on the main variables when epidemic is aggravated.

Year	GDP (%)	Port throughput (%)	Passenger transportation (%)	Cargo transportation (%)
2020	−3.8	−0.03	−49.1	−10.6
2021	−7.8	0.2	−76.5	−21.0
2022	−12.0	0.8	−90.5	−30.9