Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	15	27
2011	Feb	16	30
2011	Mar	11	22
2011	Apr	17	17
2011	May	9	12
2011	Jun	16	26
2011	Jul	25	26
2011	Aug	17	18
2011	Sep	14	17
2011	Oct	14	21
2011	Nov	22	31
2011	Dec	14	23
2011	all	168	270