Development of Comprehensive Evaluation Model of Free Trade Port Investment under Macroeconomic Support

Table 4

Analysis of the overall average debt structure of the collected samples.

Particular year	Average asset-liability ratio (%)	Average short-term debt ratio (%)	Average long-term debt ratio (%)
2017	51.30	81.95	20.65
2018	53.24	81.22	20.90
2019	52.48	80.08	22.61
2020	50.45	77.92	24.24
2021	49.85	73.25	28.97