Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	23	41
2015	Feb	25	32
2015	Mar	33	43
2015	Apr	17	26
2015	May	13	15
2015	Jun	15	18
2015	Jul	25	31
2015	Aug	15	23
2015	Sep	12	28
2015	Oct	24	42
2015	Nov	31	46
2015	Dec	31	85
2015	all	220	430