Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2013	Jan	34	48
2013	Feb	17	27
2013	Mar	22	30
2013	Apr	18	21
2013	May	22	30
2013	Jun	24	29
2013	Jul	28	38
2013	Aug	46	61
2013	Sep	45	48
2013	Oct	25	34
2013	Nov	37	44
2013	Dec	67	88
2013	all	310	498