Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	19	33
2015	Feb	17	23
2015	Mar	26	34
2015	Apr	9	14
2015	May	15	15
2015	Jun	6	7
2015	Jul	18	19
2015	Aug	13	17
2015	Sep	10	21
2015	Oct	13	18
2015	Nov	21	29
2015	Dec	13	20
2015	all	158	250