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	8	10
2015	Jul	17	37
2015	Aug	8	13
2015	Sep	8	18
2015	Oct	6	8
2015	Nov	18	25
2015	Dec	14	22
2015	all	75	140