Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	25	40
2015	Feb	23	32
2015	Mar	31	44
2015	Apr	20	30
2015	May	14	21
2015	Jun	12	14
2015	Jul	25	31
2015	Aug	17	27
2015	Sep	12	28
2015	Oct	23	48
2015	Nov	31	41
2015	Dec	31	88
2015	all	218	444