Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	22	37
2015	Feb	32	41
2015	Mar	39	56
2015	Apr	16	29
2015	May	17	21
2015	Jun	17	21
2015	Jul	25	31
2015	Aug	20	31
2015	Sep	12	20
2015	Oct	24	36
2015	Nov	29	37
2015	Dec	24	56
2015	all	233	416