Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	13	21
2015	Feb	19	21
2015	Mar	74	132
2015	Apr	27	39
2015	May	11	14
2015	Jun	10	13
2015	Jul	24	28
2015	Aug	16	23
2015	Sep	17	31
2015	Oct	9	15
2015	Nov	18	31
2015	Dec	26	40
2015	all	240	408