Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2013	Jan	25	44
2013	Feb	18	30
2013	Mar	23	34
2013	Apr	22	33
2013	May	19	22
2013	Jun	24	33
2013	Jul	31	44
2013	Aug	49	70
2013	Sep	35	41
2013	Oct	28	39
2013	Nov	46	59
2013	Dec	60	73
2013	all	308	522