Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2010	Jan	25	38
2010	Feb	33	59
2010	Mar	28	40
2010	Apr	39	56
2010	May	39	64
2010	Jun	29	43
2010	Jul	21	29
2010	Aug	14	37
2010	Sep	16	21
2010	Oct	23	25
2010	Nov	18	19
2010	Dec	20	25
2010	all	256	456