Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	90	141
2011	Feb	67	88
2011	Mar	90	114
2011	Apr	118	144
2011	May	114	182
2011	Jun	85	111
2011	Jul	86	100
2011	Aug	92	116
2011	Sep	60	93
2011	Oct	70	102
2011	Nov	125	196
2011	Dec	90	114
2011	all	874	1501