Descriptive statistics for receptive (comprehension) an expressive (production) vocabularies of Portuguese infants ( EP-CDI SFI). Number of children (N), Mean number of words (M), Median (Mdn) , Standard Deviation (SD), Minimum (Min) and Maximum (Max), by age. The Max score is 90.

Age	N	Comprehension					Production
		M	Mdn	SD	Min	Max	M	Mdn	SD	Min	Max
8m	21	13	7	14.05	3	57	1	0	3.29	0	15
9m	40	20	14	20.40	0	90	2	1	5.95	0	37
10m	30	16	10	16.88	2	90	3	2	7.08	0	39
11m	46	26	21	19.33	4	90	4	3	4.71	0	26
12m	38	36	34	22.96	3	89	7	5	7.08	0	40
13m	47	43	39	22.48	6	90	9	6	9.46	0	41
14m	49	49	47	22.88	9	90	10	6	9.60	0	57
15m	41	55	55	22.65	9	90	14	11	12.38	0	55
16m	31	64	68	20.91	12	90	12	10	8.64	0	35
17m	37	67	68	17.87	21	90	21	18	13.10	4	61
18m	27	74	82	19.23	27	90	31	28	19.36	8	72