Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	15	30
2015	Feb	22	26
2015	Mar	71	131
2015	Apr	19	26
2015	May	16	21
2015	Jun	12	13
2015	Jul	24	28
2015	Aug	19	33
2015	Sep	14	26
2015	Oct	23	47
2015	Nov	22	51
2015	Dec	30	64
2015	all	251	496