Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	8767	14848
2015	Feb	7478	12561
2015	Mar	8764	15628
2015	Apr	9113	16782
2015	May	9094	15665
2015	Jun	9977	18336
2015	Jul	8720	15386
2015	Aug	7659	14251
2015	Sep	10468	20863
2015	Oct	10655	21124
2015	Nov	11403	22411
2015	Dec	9853	18558
2015	all	77333	206413