Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	25	35
2011	Feb	19	30
2011	Mar	14	30
2011	Apr	20	21
2011	May	15	17
2011	Jun	18	22
2011	Jul	31	38
2011	Aug	26	28
2011	Sep	23	28
2011	Oct	16	24
2011	Nov	31	48
2011	Dec	24	44
2011	all	224	365