Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	0	0
2011	Feb	0	0
2011	Mar	0	0
2011	Apr	32	35
2011	May	53	85
2011	Jun	54	88
2011	Jul	67	77
2011	Aug	64	92
2011	Sep	38	53
2011	Oct	46	77
2011	Nov	93	137
2011	Dec	70	89
2011	all	438	733