Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2013	Jan	28	48
2013	Feb	18	31
2013	Mar	28	40
2013	Apr	22	33
2013	May	25	33
2013	Jun	21	29
2013	Jul	33	47
2013	Aug	40	64
2013	Sep	38	41
2013	Oct	24	36
2013	Nov	59	72
2013	Dec	65	75
2013	all	315	549