Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	0	0
2015	Feb	0	0
2015	Mar	2	2
2015	Apr	0	0
2015	May	7	7
2015	Jun	6	9
2015	Jul	12	14
2015	Aug	9	13
2015	Sep	10	20
2015	Oct	5	7
2015	Nov	13	16
2015	Dec	13	21
2015	all	65	109