Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	26	30
2011	Feb	23	32
2011	Mar	21	39
2011	Apr	28	34
2011	May	16	19
2011	Jun	29	35
2011	Jul	34	39
2011	Aug	28	35
2011	Sep	19	25
2011	Oct	24	38
2011	Nov	36	44
2011	Dec	27	42
2011	all	277	412