Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	0	0
2015	Feb	0	0
2015	Mar	0	0
2015	Apr	2	2
2015	May	7	7
2015	Jun	12	15
2015	Jul	15	16
2015	Aug	9	14
2015	Sep	9	22
2015	Oct	18	26
2015	Nov	17	20
2015	Dec	13	16
2015	all	84	138