Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	8717	15262
2015	Feb	7570	12530
2015	Mar	8903	15216
2015	Apr	9196	16125
2015	May	9640	17117
2015	Jun	8467	14614
2015	Jul	8103	14058
2015	Aug	9776	18961
2015	Sep	9751	18524
2015	Oct	10963	21812
2015	Nov	11775	25102
2015	Dec	10415	20065
2015	all	81577	209386