Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	3420	6319
2015	Feb	3160	6130
2015	Mar	4032	8136
2015	Apr	4012	7946
2015	May	4525	8807
2015	Jun	4076	8251
2015	Jul	4154	8862
2015	Aug	3642	8785
2015	Sep	3840	8779
2015	Oct	5752	12937
2015	Nov	5367	11996
2015	Dec	4406	9717
2015	all	34896	106665