Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	32	40
2011	Feb	21	24
2011	Mar	20	32
2011	Apr	27	35
2011	May	25	28
2011	Jun	30	35
2011	Jul	30	33
2011	Aug	31	37
2011	Sep	22	26
2011	Oct	22	35
2011	Nov	42	61
2011	Dec	25	41
2011	all	279	427