Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	16	25
2015	Feb	33	45
2015	Mar	37	50
2015	Apr	21	34
2015	May	22	26
2015	Jun	20	26
2015	Jul	33	43
2015	Aug	22	35
2015	Sep	21	34
2015	Oct	30	42
2015	Nov	27	34
2015	Dec	31	65
2015	all	260	459