Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	20	35
2015	Feb	24	28
2015	Mar	30	44
2015	Apr	18	28
2015	May	17	21
2015	Jun	14	17
2015	Jul	19	22
2015	Aug	13	25
2015	Sep	12	23
2015	Oct	15	39
2015	Nov	19	60
2015	Dec	21	51
2015	all	191	393