Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	25	40
2015	Feb	21	28
2015	Mar	22	39
2015	Apr	15	20
2015	May	12	18
2015	Jun	10	13
2015	Jul	19	22
2015	Aug	15	26
2015	Sep	16	31
2015	Oct	20	38
2015	Nov	24	37
2015	Dec	30	79
2015	all	188	391