Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	41	57
2011	Feb	28	41
2011	Mar	34	52
2011	Apr	40	43
2011	May	31	35
2011	Jun	41	46
2011	Jul	39	47
2011	Aug	40	48
2011	Sep	23	27
2011	Oct	35	54
2011	Nov	52	68
2011	Dec	33	53
2011	all	374	571