Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2013	Jan	39	58
2013	Feb	29	42
2013	Mar	38	56
2013	Apr	40	49
2013	May	50	67
2013	Jun	64	89
2013	Jul	46	71
2013	Aug	57	86
2013	Sep	52	69
2013	Oct	51	68
2013	Nov	71	90
2013	Dec	81	92
2013	all	526	837