Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	42	50
2011	Feb	30	40
2011	Mar	35	48
2011	Apr	40	48
2011	May	28	31
2011	Jun	32	40
2011	Jul	37	37
2011	Aug	30	37
2011	Sep	31	36
2011	Oct	25	40
2011	Nov	43	55
2011	Dec	29	41
2011	all	361	503