Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	10	13
2011	Feb	8	12
2011	Mar	6	8
2011	Apr	6	7
2011	May	14	17
2011	Jun	16	20
2011	Jul	25	28
2011	Aug	15	17
2011	Sep	16	17
2011	Oct	12	16
2011	Nov	26	38
2011	Dec	16	18
2011	all	156	211