Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	26	45
2015	Feb	21	30
2015	Mar	70	130
2015	Apr	14	24
2015	May	14	18
2015	Jun	13	16
2015	Jul	22	31
2015	Aug	14	23
2015	Sep	17	32
2015	Oct	20	32
2015	Nov	27	45
2015	Dec	27	51
2015	all	238	477