Table 1. Rank of congenital anomalies incidence from 1997 to 2011 (cases/10,000 births).

Years	NTD			CL			PD			CH			CHD			Talipes			Limb shortening			Others
	Rank	Rate	N	Rank	Rate	N	Rank	Rate	N	Rank	Rate	N	Rank	Rate	N	Rank	Rate	N	Rank	Rate	N	Rank	Rate	N
1997	1	39.3	195	2	14.33	71	4	6.46	32	3	10.13	50	7	4.64	23	4	5.2	26	5	5.04	25	—	1.0	5
1998	1	34.4	193	2	13.88	80	4	7.3	41	3	13.71	77	11	1.96	11	5	5.7	32	6	5.4	30	—	1.8	10
1999	1	32.8	197	3	9.83	59	4	10.16	61	2	15.83	95	6	4.83	29	7	4.7	28	5	5.66	34	—	3.5	21
2000	1	24.2	166	2	15.44	106	3	10.92	75	4	7.57	52	8	3.2	22	6	4.7	32	5	5.54	38	—	2.8	19
2001	1	21.83	149	2	14.12	96	4	9.67	66	3	12.89	88	9	2.93	20	6	5.4	37	5	6.3	43	—	1.5	10
2002	1	19.73	149	2	14.14	107	3	9.41	71	5	5.87	44	8	4.24	32	4	6.49	49	6	5.3	40	—	2.4	18
2003	1	17.03	154	2	12.96	111	3	8.34	71	4	5.72	49	7	4.09	35	5	4.67	40	6	4.44	38	11	1.98	17
2004	1	17.4	180	2	12.09	125	3	6.96	72	4	6.38	66	5	4.64	48	7	4.06	42	5	4.64	48	11	2.42	25
2005	1	17.66	209	2	14.2	168	4	7.44	88	5	6.59	78	3	8.7	103	7	4.06	48	10	3.89	46	9	3.80	45
2006	1	14.36	190	2	13.45	178	4	7.99	105	5	5.56	73	3	9.59	126	7	3.19	42	6	3.95	52	10	2.89	38
2007	1	10.9	172	2	9.7	153	3	8.18	129	4	8.11	128	6	4.63	73	7	4.18	66	5	4.88	77	9	3.49	55
2008	2	8.42	152	1	12.97	234	3	7.26	131	4	6.1	110	5	5.1	92	6	4.32	78	7	4.04	73	8	2.88	52
2009	3	7.82	153	1	12.83	251	2	9.56	187	8	3.83	75	5	4.45	87	6	4.19	82	7	3.99	78	4	4.7	92
2010	3	7.68	170	1	11.93	264	2	8.68	192	4	5.65	125	5	5.56	123	9	3.34	74	7	3.84	85	6	4.07	90
2011	3	6.09	148	1	11.12	319	2	9.59	233	5	5.55	135	4	6.05	147	7	3.33	81	9	3.00	73	6	4.24	103

NTD: neural tube defect; CL: cleft lip; PD: polydactyly; CH: congenital hydrocephalus; CHD: congenital heart disease; Others: other anomalies