Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2013	Jan	16	22
2013	Feb	22	39
2013	Mar	37	50
2013	Apr	32	63
2013	May	50	81
2013	Jun	37	69
2013	Jul	32	59
2013	Aug	46	69
2013	Sep	42	65
2013	Oct	52	62
2013	Nov	51	70
2013	Dec	40	65
2013	all	363	714