Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	1	1
2015	Feb	4	4
2015	Mar	1	1
2015	Apr	0	0
2015	May	2	2
2015	Jun	2	2
2015	Jul	1	2
2015	Aug	0	0
2015	Sep	0	0
2015	Oct	6	15
2015	Nov	3	16
2015	Dec	5	14
2015	all	23	57