Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	22	34
2015	Feb	28	35
2015	Mar	25	40
2015	Apr	16	25
2015	May	19	23
2015	Jun	14	17
2015	Jul	25	30
2015	Aug	18	35
2015	Sep	16	29
2015	Oct	18	28
2015	Nov	31	44
2015	Dec	32	69
2015	all	220	409