[Retracted] Selection and Optimization of Regional Economic Industrial Structure Based on Fuzzy k-Means Clustering Algorithm

Table 2

Internal structure of primary industry in city A from 2009 to 2018 unit: %.

Industry	2009	2010	2011	2012	2013	2014	2015	2016	2017	2018
Wholesale and retail	20.3	19.6	20.1	17.1	16.6	21.3	20.4	27.7	26.8	27.2
Transportation, storage, and postal services	5.4	5.1	5.1	6.8	6.9	8.8	8.6	9.5	9.3	9.2
Accommodation and catering	4.4	4.3	4.4	4.6	4.4	5.6	5.4	5.3	5.1	5.3
Finance	7.3	7.2	9.8	8.2	8.2	10.6	11.1	12.8	12.2	12.1
Real estate	23.1	24.3	21.7	14.9	15.0	19.2	17.2	10.9	10.9	10.0
Other services	39.5	39.5	38.9	48.4	48.9	34.5	37.3	33.8	35.7	36.2