Modeling the Grain Import Trade: A Cointegration Analysis of China’s Panel Data

Table 1

The proportion of China’s major grain imports in global main grain imports (unit: percent).

Year	Wheat	Barley	Corn	Rice	Soybean	Year	Wheat	Barley	Corn	Rice	Soybean
2000	0.84	2.54	0.15	1.15	22.99	2010	0.93	9.68	1.63	1.39	59.51
2001	0.69	0.37	0.04	1.35	25.54	2011	0.95	7.50	1.81	1.99	59.67
2002	0.54	4.51	0.01	0.57	21.33	2012	2.86	10.30	5.34	8.50	64.17
2003	0.42	7.49	0.01	0.73	33.38	2013	4.42	8.38	2.90	3.08	63.78
2004	7.02	8.43	0.03	3.26	36.69	2014	4.32	20.50	2.69	9.64	63.24
2005	3.19	9.40	0.05	2.09	39.44	2015	5.09	21.27	3.48	10.13	58.02
2006	0.46	9.05	0.08	2.67	45.06	2016	5.13	20.89	4.51	12.76	57.92
2007	0.07	4.16	0.04	1.71	44.10	2017	4.95	20.72	4.45	11.82	58.33
2008	0.03	4.39	0.06	1.07	49.91	2018	5.03	21.03	4.62	11.62	58.17
2009	0.77	8.33	0.11	1.41	56.48	2019	5.11	20.69	4.53	12.05	59.26

Data sources: collated and calculated by the data from the United Nations Commodity Trade (UN COMTRADE) database from 2000 to 2019.