Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	30	41
2011	Feb	25	33
2011	Mar	17	29
2011	Apr	24	27
2011	May	23	28
2011	Jun	28	32
2011	Jul	31	33
2011	Aug	24	29
2011	Sep	19	22
2011	Oct	20	32
2011	Nov	43	58
2011	Dec	23	33
2011	all	265	397