Table 1.

The frequency of urban residents and rural-to-urban migrants by years

	Urban residents		Rural-to-urban migrants		Total (n)
	n	%	n	%
2012	3650	83.72	710	16.28	4453
2014	4206	79.73	1040	20.27	5523
2016	3444	76.81	2819	23.19	4604
total	11,300	80.03	2819	19.97	14,119