Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	7	8
2015	Feb	7	7
2015	Mar	5	7
2015	Apr	8	10
2015	May	3	5
2015	Jun	3	3
2015	Jul	6	6
2015	Aug	9	12
2015	Sep	2	2
2015	Oct	2	3
2015	Nov	6	6
2015	Dec	8	11
2015	all	59	80