Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2013	Jan	27	46
2013	Feb	14	26
2013	Mar	24	37
2013	Apr	21	32
2013	May	23	28
2013	Jun	21	29
2013	Jul	33	45
2013	Aug	48	70
2013	Sep	41	46
2013	Oct	28	39
2013	Nov	50	60
2013	Dec	62	73
2013	all	310	531