Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	61	78
2011	Feb	42	54
2011	Mar	38	53
2011	Apr	55	74
2011	May	61	75
2011	Jun	57	68
2011	Jul	54	59
2011	Aug	49	59
2011	Sep	53	71
2011	Oct	42	65
2011	Nov	74	93
2011	Dec	55	85
2011	all	531	834