Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	23	35
2015	Feb	25	35
2015	Mar	28	39
2015	Apr	16	28
2015	May	18	21
2015	Jun	13	16
2015	Jul	25	32
2015	Aug	15	25
2015	Sep	19	31
2015	Oct	15	23
2015	Nov	23	32
2015	Dec	25	54
2015	all	208	371