Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	20	32
2015	Feb	21	28
2015	Mar	66	114
2015	Apr	10	20
2015	May	12	13
2015	Jun	12	15
2015	Jul	17	20
2015	Aug	13	24
2015	Sep	11	19
2015	Oct	13	21
2015	Nov	23	27
2015	Dec	15	27
2015	all	200	360