Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	15	30
2015	Feb	21	28
2015	Mar	26	34
2015	Apr	12	23
2015	May	13	14
2015	Jun	9	11
2015	Jul	19	25
2015	Aug	12	23
2015	Sep	25	49
2015	Oct	23	39
2015	Nov	23	28
2015	Dec	21	38
2015	all	185	342