2, 3, 4, 5에서는 각각 총생산 대비 무역, 수출, 수입, 외국인투자기업 투자 비중이 설명변수로 포함되었다.
In 2, 3, 4, and 5, the proportions of trade, exports, imports, and foreign-invested companies' investments relative to the gross product were included as explanatory variables.