Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2013	Jan	32	50
2013	Feb	20	31
2013	Mar	29	38
2013	Apr	20	23
2013	May	16	20
2013	Jun	23	32
2013	Jul	38	50
2013	Aug	49	68
2013	Sep	41	46
2013	Oct	38	52
2013	Nov	52	73
2013	Dec	60	66
2013	all	340	549