Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	16	21
2011	Feb	21	32
2011	Mar	15	22
2011	Apr	23	26
2011	May	14	19
2011	Jun	22	26
2011	Jul	29	33
2011	Aug	20	22
2011	Sep	15	19
2011	Oct	16	28
2011	Nov	28	34
2011	Dec	15	23
2011	all	206	305