Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	61	83
2011	Feb	49	62
2011	Mar	53	86
2011	Apr	68	110
2011	May	62	96
2011	Jun	71	405
2011	Jul	63	77
2011	Aug	50	67
2011	Sep	43	54
2011	Oct	66	123
2011	Nov	70	94
2011	Dec	58	84
2011	all	570	1341