Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	8	19
2015	Feb	10	13
2015	Mar	21	30
2015	Apr	7	11
2015	May	9	9
2015	Jun	11	13
2015	Jul	17	21
2015	Aug	12	18
2015	Sep	13	29
2015	Oct	12	20
2015	Nov	14	18
2015	Dec	15	23
2015	all	123	224