Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	17	19
2015	Feb	12	13
2015	Mar	17	23
2015	Apr	15	21
2015	May	17	19
2015	Jun	12	13
2015	Jul	20	25
2015	Aug	13	24
2015	Sep	12	19
2015	Oct	18	25
2015	Nov	24	30
2015	Dec	27	53
2015	all	175	284