Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	10	20
2015	Feb	5	9
2015	Mar	8	17
2015	Apr	10	11
2015	May	2	2
2015	Jun	2	2
2015	Jul	3	3
2015	Aug	0	0
2015	Sep	2	3
2015	Oct	1	2
2015	Nov	2	6
2015	Dec	1	2
2015	all	41	77