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	4	4
2015	Jun	6	10
2015	Jul	8	10
2015	Aug	9	14
2015	Sep	9	20
2015	Oct	7	12
2015	Nov	15	22
2015	Dec	12	20
2015	all	62	115