Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2013	Jan	48	69
2013	Feb	39	57
2013	Mar	44	61
2013	Apr	42	48
2013	May	48	61
2013	Jun	49	62
2013	Jul	51	70
2013	Aug	64	94
2013	Sep	55	66
2013	Oct	65	92
2013	Nov	66	89
2013	Dec	72	86
2013	all	511	855