Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	18	30
2015	Feb	25	33
2015	Mar	26	36
2015	Apr	15	23
2015	May	16	18
2015	Jun	10	12
2015	Jul	20	25
2015	Aug	12	25
2015	Sep	11	19
2015	Oct	17	32
2015	Nov	18	24
2015	Dec	21	53
2015	all	184	330