Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	14	16
2015	Feb	9	10
2015	Mar	17	19
2015	Apr	8	9
2015	May	14	19
2015	Jun	7	9
2015	Jul	19	22
2015	Aug	16	29
2015	Sep	11	19
2015	Oct	12	14
2015	Nov	27	35
2015	Dec	15	20
2015	all	138	221