Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	0	0
2011	Feb	0	0
2011	Mar	7	7
2011	Apr	37	40
2011	May	53	80
2011	Jun	57	73
2011	Jul	60	67
2011	Aug	57	76
2011	Sep	35	41
2011	Oct	39	58
2011	Nov	74	112
2011	Dec	53	59
2011	all	403	613