表8-7b  全国分年龄、性别的独生子女数(镇)
	单位：人、%
年    龄	0-30岁独生	男	女	性别比
	子女人数			（女=100）
总    计	385,566	220,288	165,278	133.28
0-4	98,109	52,104	46,006	113.25
0	20,545	10,731	9,813	109.35
1	20,266	10,765	9,501	113.30
2	18,522	9,844	8,677	113.45
3	18,869	10,048	8,821	113.90
4	19,909	10,715	9,193	116.56
5-9	93,135	53,903	39,232	137.39
5	20,083	11,125	8,958	124.19
6	18,114	10,225	7,889	129.61
7	19,100	11,127	7,974	139.54
8	18,416	11,010	7,406	148.66
9	17,422	10,416	7,006	148.68
10-14	82,705	50,620	32,085	157.77
10	18,545	11,265	7,280	154.74
11	16,617	9,962	6,656	149.67
12	16,805	10,284	6,520	157.72
13	15,715	9,710	6,005	161.69
14	15,023	9,399	5,624	167.14
15-19	52,473	32,698	19,775	165.35
15	14,728	9,215	5,513	167.14
16	12,533	7,888	4,645	169.81
17	10,221	6,295	3,926	160.32
18	8,871	5,476	3,395	161.27
19	6,121	3,825	2,296	166.61
20-24	25,694	14,440	11,254	128.31
20	4,332	2,674	1,658	161.29
21	4,179	2,374	1,804	131.61
22	5,162	2,855	2,307	123.73
23	6,398	3,492	2,906	120.17
24	5,624	3,045	2,579	118.06
25-29	25,651	12,912	12,739	101.36
25	4,980	2,652	2,328	113.92
26	5,478	2,806	2,671	105.06
27	5,108	2,577	2,531	101.80
28	4,773	2,379	2,394	99.36
29	5,312	2,498	2,814	88.78
30	7,798	3,611	4,187	86.26