Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	1	1
2015	Feb	0	0
2015	Mar	4	5
2015	Apr	1	1
2015	May	2	4
2015	Jun	1	1
2015	Jul	2	2
2015	Aug	4	7
2015	Sep	1	1
2015	Oct	4	49
2015	Nov	6	17
2015	Dec	9	30
2015	all	30	118