Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2013	Jan	31	42
2013	Feb	18	38
2013	Mar	32	52
2013	Apr	30	36
2013	May	33	38
2013	Jun	23	32
2013	Jul	30	41
2013	Aug	41	60
2013	Sep	32	42
2013	Oct	37	50
2013	Nov	63	81
2013	Dec	52	58
2013	all	323	570