Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	0	0
2015	Feb	0	0
2015	Mar	0	0
2015	Apr	7	8
2015	May	23	32
2015	Jun	19	21
2015	Jul	16	17
2015	Aug	20	28
2015	Sep	20	38
2015	Oct	15	20
2015	Nov	28	42
2015	Dec	29	35
2015	all	155	241