Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	23	39
2015	Feb	22	31
2015	Mar	27	41
2015	Apr	15	25
2015	May	16	23
2015	Jun	13	17
2015	Jul	25	31
2015	Aug	21	30
2015	Sep	13	24
2015	Oct	17	30
2015	Nov	28	39
2015	Dec	27	83
2015	all	200	413