Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	19	32
2015	Feb	19	27
2015	Mar	25	37
2015	Apr	11	22
2015	May	17	21
2015	Jun	8	10
2015	Jul	18	21
2015	Aug	13	24
2015	Sep	12	23
2015	Oct	13	18
2015	Nov	19	22
2015	Dec	29	52
2015	all	176	309