Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	17	19
2015	Feb	11	12
2015	Mar	18	20
2015	Apr	14	17
2015	May	19	24
2015	Jun	10	16
2015	Jul	23	28
2015	Aug	14	27
2015	Sep	13	24
2015	Oct	10	13
2015	Nov	20	25
2015	Dec	19	41
2015	all	158	266