Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	32	52
2015	Feb	35	59
2015	Mar	49	72
2015	Apr	29	37
2015	May	24	30
2015	Jun	21	26
2015	Jul	32	44
2015	Aug	27	41
2015	Sep	20	36
2015	Oct	33	55
2015	Nov	50	63
2015	Dec	46	122
2015	all	321	637