Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	29	38
2011	Feb	23	37
2011	Mar	25	43
2011	Apr	24	27
2011	May	37	45
2011	Jun	36	40
2011	Jul	31	32
2011	Aug	26	33
2011	Sep	21	24
2011	Oct	20	32
2011	Nov	36	44
2011	Dec	49	88
2011	all	330	483