Analysis and Prediction of the Coupling Coordination Relationship between Tourism and Air Environment: Yangtze River Economic Zone in China as Example

Table 6

Comprehensive development degree of air environment subsystem.

	2009	2010	2011	2012	2013	2014	2015	2016	2017	2018	Mean	Grade
Shanghai	0.381	0.371	0.297	0.179	0.310	0.148	0.328	0.282	0.377	0.237	0.291	Fair
Chongqing	0.290	0.303	0.240	0.141	0.180	0.336	0.154	0.165	0.319	0.302	0.243	Poor
Anhui	0.293	0.567	0.537	0.169	0.455	0.543	0.344	0.496	0.661	0.858	0.492	Fair
Zhejiang	0.187	0.377	0.238	0.190	0.601	0.515	0.616	0.646	0.574	0.315	0.426	Fair
Jiangsu	0.427	0.470	0.354	0.451	0.805	0.851	0.785	0.818	0.475	0.322	0.576	Good
Hubei	0.245	0.575	0.510	0.158	0.385	0.436	0.482	0.366	0.492	0.433	0.408	Fair
Jiangxi	0.189	0.333	0.264	0.132	0.221	0.338	0.471	0.322	0.331	0.282	0.288	Fair
Hunan	0.288	0.399	0.361	0.221	0.390	0.349	0.380	0.310	0.278	0.315	0.329	Fair
Yunnan	0.259	0.469	0.337	0.823	0.302	0.319	0.411	0.408	0.250	0.247	0.382	Fair
Sichuan	0.732	0.322	0.311	0.269	0.313	0.399	0.331	0.222	0.166	0.287	0.335	Fair
Guizhou	0.243	0.304	0.259	0.207	0.400	0.336	0.389	0.359	0.264	0.082	0.284	Fair