Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	0	0
2015	Feb	0	0
2015	Mar	1	1
2015	Apr	1	1
2015	May	4	4
2015	Jun	6	9
2015	Jul	11	12
2015	Aug	9	13
2015	Sep	10	18
2015	Oct	5	8
2015	Nov	15	19
2015	Dec	11	14
2015	all	63	99