A Study on the Small Organic Cities in China Combining PCA and CNN

Table 6

The statistical results of Bishan city organic index calculation.

Year	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020
Urban growth boundary system	77.31	101.33	80.86	101.93	122.34	147.79	186.55	229.51	240.46	301.9
Urban scale system	15	16	22	21	23	28	35	41	48	52
Urban economy system	33.6	37.1	40.3	46.2	47.6	53.5	58.7	63.6	70.2	78.6
Urban environment system	231.48	271.06	304.6	305.2	307.33	403.9	408.7	503.2	602.1	608.3

Source: the author.