Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	38	57
2015	Feb	29	41
2015	Mar	42	60
2015	Apr	30	44
2015	May	23	31
2015	Jun	25	27
2015	Jul	31	35
2015	Aug	23	34
2015	Sep	17	35
2015	Oct	26	57
2015	Nov	35	48
2015	Dec	40	109
2015	all	318	578