Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	3	3
2015	Feb	4	4
2015	Mar	3	3
2015	Apr	2	2
2015	May	4	4
2015	Jun	3	3
2015	Jul	4	5
2015	Aug	1	3
2015	Sep	0	0
2015	Oct	2	7
2015	Nov	2	13
2015	Dec	5	14
2015	all	31	61