Optimizing Intermodal Transport and Hub Location Problem for ECOWAS in the Context of Improving Intra-African Trade

Table 2

Descriptive macro economic statistics.

	2020			2021
Variables	Average	Min	Max	Average	Min	Max
GDP (billion $)	44	2.7	20	46	17	34
Population (million)	39	2.8	25	41	3.4	27
Corruption index	0.35	0.18	0.45	0.35	0.21	0.45
Peace index	2	0	10	2	0	10