Table 5. Degree of coordination coupling between the Internet development level and agricultural ecological efficiency.

Province	2009	2010	2011	2012	2013	2014	2015	2016	2017	2018
Hebei	0.58	0.61	0.64	0.67	0.70	0.71	0.73	0.75	0.78	0.87
Inner Mongolia	0.55	0.60	0.62	0.64	0.67	0.67	0.69	0.71	0.71	0.74
Liaoning	0.68	0.71	0.74	0.76	0.80	0.81	0.89	0.85	0.88	0.89
Jilin	0.59	0.62	0.63	0.65	0.67	0.69	0.70	0.72	0.79	0.86
Heilongjiang	0.56	0.60	0.62	0.63	0.65	0.67	0.69	0.71	0.71	0.74
Jiangsu	0.67	0.72	0.74	0.76	0.77	0.79	0.81	0.83	0.85	0.87
Anhui	0.48	0.52	0.55	0.57	0.59	0.60	0.62	0.64	0.67	0.68
Jiangxi	0.49	0.51	0.53	0.56	0.62	0.63	0.66	0.69	0.71	0.75
Shandong	0.63	0.66	0.68	0.70	0.73	0.76	0.77	0.81	0.84	0.87
Henan	0.54	0.58	0.59	0.60	0.64	0.65	0.67	0.70	0.72	0.74
Hubei	0.58	0.62	0.64	0.66	0.68	0.70	0.72	0.75	0.77	0.81
Hunan	0.57	0.61	0.63	0.64	0.66	0.68	0.69	0.72	0.75	0.77
Sichuan	0.58	0.62	0.65	0.68	0.70	0.72	0.74	0.78	0.80	0.83
Mean value	0.58	0.61	0.64	0.65	0.68	0.70	0.71	0.74	0.77	0.80