Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	27	40
2015	Feb	34	43
2015	Mar	43	68
2015	Apr	22	38
2015	May	16	22
2015	Jun	22	38
2015	Jul	28	36
2015	Aug	29	43
2015	Sep	22	36
2015	Oct	33	53
2015	Nov	31	46
2015	Dec	34	76
2015	all	273	539