obs	EXFOOD	EXTOTAL	NCHILD	NFAM
1	15.48	 51.27	0	104
2	17.55	 69.95	0	110
3	20.82	 79.74	0	143
4	20.01	 88.66	0	146
5	20.82	 96.23	0	180
6	20.57	108.84	0	170
7	23.36	122.47	0	217
8	25.12	155.86	0	201
9	20.01	 66.36	1	 86
10	20.88	 85.17	1	107
11	23.41	 93.58	1	123
12	23.64	103.77	1	155
13	28.54	143.32	1.11	171
14	22.48	 76.28	2	 76
15	23.32	 87.32	2	111
16	25.53	 97.74	2	136
17	27.69	110.43	2	230
18	29.26	128.78	2	244
19	35.41	178.25	2	140
20	25.49	 79.87	3	 72
21	30	105.49	3	129
22	36.11	148.74	3	127
23	31.75	 92.91	4.42	 64
24	38.8	145.27	4.36	 69