Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2013	Jan	29	56
2013	Feb	16	33
2013	Mar	17	27
2013	Apr	16	19
2013	May	18	20
2013	Jun	24	35
2013	Jul	30	41
2013	Aug	49	70
2013	Sep	30	35
2013	Oct	23	33
2013	Nov	44	51
2013	Dec	58	66
2013	all	288	486