Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	27	38
2015	Feb	39	44
2015	Mar	31	46
2015	Apr	26	45
2015	May	11	12
2015	Jun	23	28
2015	Jul	25	32
2015	Aug	24	35
2015	Sep	15	31
2015	Oct	24	36
2015	Nov	27	34
2015	Dec	31	63
2015	all	259	444