Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	0	0
2015	Feb	0	0
2015	Mar	0	0
2015	Apr	12	40
2015	May	7	8
2015	Jun	17	30
2015	Jul	20	21
2015	Aug	20	34
2015	Sep	11	18
2015	Oct	19	83
2015	Nov	19	25
2015	Dec	21	31
2015	all	85	290