Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	0	0
2015	Feb	0	0
2015	Mar	2	2
2015	Apr	1	1
2015	May	5	5
2015	Jun	6	8
2015	Jul	13	15
2015	Aug	8	12
2015	Sep	8	18
2015	Oct	7	9
2015	Nov	14	15
2015	Dec	16	25
2015	all	70	110