Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	4	5
2015	Feb	1	1
2015	Mar	4	8
2015	Apr	6	7
2015	May	10	16
2015	Jun	2	2
2015	Jul	5	5
2015	Aug	3	9
2015	Sep	2	2
2015	Oct	12	38
2015	Nov	4	9
2015	Dec	9	20
2015	all	55	122