Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	20	33
2015	Feb	26	35
2015	Mar	23	34
2015	Apr	19	30
2015	May	16	18
2015	Jun	17	20
2015	Jul	18	21
2015	Aug	16	28
2015	Sep	8	16
2015	Oct	13	24
2015	Nov	33	51
2015	Dec	42	101
2015	all	211	411