Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	20	32
2015	Feb	23	31
2015	Mar	24	41
2015	Apr	13	19
2015	May	15	18
2015	Jun	12	16
2015	Jul	17	21
2015	Aug	13	24
2015	Sep	12	22
2015	Oct	16	22
2015	Nov	24	28
2015	Dec	27	59
2015	all	189	333