Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	5	11
2015	Feb	4	5
2015	Mar	9	20
2015	Apr	6	10
2015	May	1	1
2015	Jun	0	0
2015	Jul	1	1
2015	Aug	0	0
2015	Sep	2	3
2015	Oct	3	6
2015	Nov	1	4
2015	Dec	1	2
2015	all	30	63