Table 1.

Results of sub-national and national coverage surveys in China, 1983–2013.

Year	Number of provinces	Age-group (months)	Number children	Percent coverage by vaccine dose
				BCG	DTP3	OPV3	MV1
1983	11	12–23	45,686	34	58	79	78
1984	19	12–23	154,839	50	63	78	74
1985	11	12–23	130,482	79	78	87	89
1986	25	12–23	53,292	70	62	68	63
1987	30	12–23	67,878	85	75	78	77
1989	31	12–23	48,346	98	95	95	95
1991	31	12–23	50,411	99	98	97	98
1999	31	12–23	25,878	95	95	95	94
2004	31	12–35	155,954	97	94	93	92
2013	31	12–35	1,536,675	98	98	98	95