Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	3549	20743
2015	Feb	3527	5998
2015	Mar	4578	7779
2015	Apr	4721	8187
2015	May	4753	7762
2015	Jun	4360	7220
2015	Jul	4599	8129
2015	Aug	3894	6796
2015	Sep	4178	8183
2015	Oct	4784	9354
2015	Nov	5207	9885
2015	Dec	3988	7663
2015	all	38637	107699