Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	7157	10818
2015	Feb	7042	10830
2015	Mar	8414	13207
2015	Apr	9094	14465
2015	May	9085	13950
2015	Jun	8491	13608
2015	Jul	8326	13638
2015	Aug	7761	12271
2015	Sep	8398	13613
2015	Oct	9743	16869
2015	Nov	10880	18923
2015	Dec	9455	15273
2015	all	78285	167465