Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	87	140
2011	Feb	61	90
2011	Mar	75	116
2011	Apr	92	117
2011	May	102	147
2011	Jun	75	108
2011	Jul	70	84
2011	Aug	72	102
2011	Sep	51	64
2011	Oct	55	82
2011	Nov	83	129
2011	Dec	58	69
2011	all	717	1248