Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	5610	8565
2015	Feb	7367	11461
2015	Mar	7723	12164
2015	Apr	7892	12642
2015	May	8197	13165
2015	Jun	8621	15301
2015	Jul	9132	15885
2015	Aug	8075	14871
2015	Sep	8887	15833
2015	Oct	10016	17746
2015	Nov	9031	15714
2015	Dec	7847	13114
2015	all	66555	166461