Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	23	27
2011	Feb	29	40
2011	Mar	20	34
2011	Apr	34	38
2011	May	21	24
2011	Jun	26	30
2011	Jul	36	38
2011	Aug	25	29
2011	Sep	22	26
2011	Oct	26	39
2011	Nov	49	60
2011	Dec	26	34
2011	all	293	419