城市	2007		2013		2019
城市	离差值	比率	离差值	比率	离差值	比率
长沙市	−0.072	73.4%	−0.122	62.2%	−0.427	34%
衡阳市	−0.152	44.1%	−0.122	62.2%	−0.277	57.2%
株洲市	−0.172	36.7%	−0.172	46.7%	−0.337	47.9%
湘潭市	−0.102	62.4%	−0.102	68.4%	−0.197	69.6%
邵阳市	−0.072	73.4%	0.008	102.6%	−0.147	77.3%
岳阳市	−0.152	44.1%	−0.152	52.9%	−0.347	46.4%
常德市	−0.172	36.7%	−0.152	52.9%	−0.387	40.2%
张家界市	1.418	20.6%	1.048	426.1%	2.603	502.4%
益阳市	−0.082	69.8%	−0.042	87.1%	−0.247	61.8%
郴州市	−0.062	77.1%	−0.072	77.8%	−0.067	89.7%
永州市	−0.132	51.4%	−0.062	80.9%	−0.117	81.9%
怀化市	−0.072	73.4%	0.008	102.6%	0.033	105.1%
娄底市	−0.172	36.7%	−0.072	77.8%	−0.087	86.6%