Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	3996	7239
2015	Feb	4013	7566
2015	Mar	5539	9580
2015	Apr	5272	9371
2015	May	4904	8462
2015	Jun	4982	9024
2015	Jul	4737	8038
2015	Aug	3689	8734
2015	Sep	3976	8479
2015	Oct	5068	10728
2015	Nov	5156	10501
2015	Dec	4413	9149
2015	all	40930	106871