Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	22	40
2015	Feb	21	30
2015	Mar	27	40
2015	Apr	17	24
2015	May	17	21
2015	Jun	13	17
2015	Jul	28	33
2015	Aug	15	23
2015	Sep	15	30
2015	Oct	23	42
2015	Nov	31	49
2015	Dec	34	105
2015	all	211	454