Table 2. Number and proportion (%) of total live births that were policy related in the four monitoring cities from 2014 to 2017.

Cities	2014			2015			2016			2017
	n	%		n	%		n	%		n	%
Beijing	3,542	3.1		7,056	9.5		23,530	21.2		28,783	30.2
Wuhan	1,090	1.0		5,718	5.2		24,822	19.0		31,953	25.1
Shenzhen	1,374	0.6		10,852	5.5		76,593	33.6		90,721	39.4
Chengdu	3,502	2.0		27,043	15.2		57,107	26.0		74,724	35.0
All	9,508	1.6		50,669	7.4		182,052	26.4		226,181	33.9