Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	20	28
2011	Feb	18	27
2011	Mar	14	26
2011	Apr	22	29
2011	May	15	20
2011	Jun	28	32
2011	Jul	29	29
2011	Aug	21	28
2011	Sep	20	25
2011	Oct	21	40
2011	Nov	29	40
2011	Dec	21	33
2011	all	222	357