Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	0	0
2015	Feb	0	0
2015	Mar	0	0
2015	Apr	2	2
2015	May	6	6
2015	Jun	9	11
2015	Jul	12	14
2015	Aug	12	16
2015	Sep	8	22
2015	Oct	8	15
2015	Nov	16	21
2015	Dec	13	16
2015	all	77	123