Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	20	40
2015	Feb	24	29
2015	Mar	31	40
2015	Apr	19	35
2015	May	15	21
2015	Jun	14	17
2015	Jul	24	33
2015	Aug	16	25
2015	Sep	16	30
2015	Oct	21	34
2015	Nov	31	45
2015	Dec	34	94
2015	all	215	443