Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	22	31
2011	Feb	20	25
2011	Mar	19	30
2011	Apr	25	30
2011	May	16	19
2011	Jun	25	30
2011	Jul	27	27
2011	Aug	23	26
2011	Sep	20	25
2011	Oct	19	33
2011	Nov	33	41
2011	Dec	21	32
2011	all	243	349