Research on Freight Development of Guangdong Province Based on Grey Theory Model

Table 2

Monthly data of freight indicators of Guangdong Province from 2013 to 2020 (unit: million tons) (%).

Year	Total freight volume (F)	Railway freight volume (R)		Truck freight volume (T)		Water freight volume (W)		Air cargo volume (A)		Pipeline freight volume (P)
		Amount	Ratio	Amount	Ratio	Amount	Ratio	Amount	Ratio	Amount	Ratio
2013	3065.44	122.38	3.992	2176.43	70.999	688.51	22.460	1.32	0.043	76.81	2.506
2014	3612.49	112.09	3.103	2636.19	72.974	781.25	21.626	1.44	0.040	81.54	2.257
2015	3792.21	104.02	2.743	2828.87	74.597	780.93	20.593	1.48	0.039	76.93	2.029
2016	3743.48	106.23	2.838	2727.37	72.857	828.93	22.143	1.60	0.043	79.32	2.119
2017	3984.69	75.72	1.900	2886.19	72.432	939.04	23.566	1.65	0.041	82.09	2.060
2018	4265.78	77.64	1.820	3063.04	71.805	1023.51	23.994	2.21	0.052	99.41	2.330
2019	4459.75	81.92	1.837	3192.31	71.580	1083.71	24.300	2.37	0.053	98.99	2.220
2020	3547.51	77.67	2.189	2313.56	65.216	1036.57	29.220	2.38	0.067	117.35	3.308

Data source: according to the website data of Guangdong Provincial Bureau of Statistics.