Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2013	Jan	28	44
2013	Feb	18	25
2013	Mar	23	27
2013	Apr	16	19
2013	May	24	32
2013	Jun	21	26
2013	Jul	30	41
2013	Aug	52	69
2013	Sep	36	45
2013	Oct	20	29
2013	Nov	47	59
2013	Dec	57	65
2013	all	303	481