Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	28	38
2011	Feb	19	32
2011	Mar	17	31
2011	Apr	21	28
2011	May	22	26
2011	Jun	26	32
2011	Jul	31	31
2011	Aug	22	32
2011	Sep	19	24
2011	Oct	22	40
2011	Nov	31	41
2011	Dec	26	38
2011	all	248	393