Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	0	0
2015	Feb	0	0
2015	Mar	2	2
2015	Apr	0	0
2015	May	4	4
2015	Jun	6	9
2015	Jul	13	15
2015	Aug	9	14
2015	Sep	9	17
2015	Oct	6	8
2015	Nov	13	17
2015	Dec	12	14
2015	all	63	100