Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	19	37
2015	Feb	25	39
2015	Mar	28	39
2015	Apr	16	29
2015	May	15	19
2015	Jun	14	17
2015	Jul	24	33
2015	Aug	15	23
2015	Sep	12	23
2015	Oct	27	53
2015	Nov	31	43
2015	Dec	30	90
2015	all	214	445