Table 4.

RTI in the four scenarios (M vs. F, F vs. F, FM vs. F and MF vs. F) from 2013 to 2017 in Shenzhen City

Year	Sex	M vs. F	F vs. F	FM vs. F	MF vs. F
2013	Male	29.85	1.00	11.76	9.33
	Female	13.09	1.00	4.92	16.88
	Total	20.93	1.00	8.12	13.35
2014	Male	1.09	1.00	2.41	1.86
	Female	0.59	1.00	1.43	1.88
	Total	0.86	1.00	1.97	1.87
2015	Male	3.80	1.00	2.35	1.90
	Female	0.72	1.00	0.65	1.44
	Total	1.77	1.00	1.23	1.60
2016	Male	6.26	1.00	1.85	0.40
	Female	0.48	1.00	0.09	0.58
	Total	1.95	1.00	0.54	0.54
2017	Male	2.16	1.00	1.00	1.00
	Female	2.06	1.00	0.99	2.57
	Total	2.12	1.00	1.00	1.57
Average	Male	3.08	1.00	1.88	1.43
	Female	1.06	1.00	0.75	1.69
	Total	1.99	1.00	1.27	1.57

M, male; F, female; FM, from female to male; MF, from male to female.