Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	70	100
2011	Feb	53	75
2011	Mar	50	65
2011	Apr	83	98
2011	May	68	105
2011	Jun	62	82
2011	Jul	72	83
2011	Aug	66	87
2011	Sep	41	54
2011	Oct	44	69
2011	Nov	77	121
2011	Dec	56	65
2011	all	592	1004