Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2013	Jan	28	47
2013	Feb	15	28
2013	Mar	22	34
2013	Apr	21	24
2013	May	25	30
2013	Jun	30	40
2013	Jul	31	43
2013	Aug	43	72
2013	Sep	53	60
2013	Oct	28	41
2013	Nov	36	47
2013	Dec	65	73
2013	all	332	539