Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2013	Jan	31	52
2013	Feb	15	29
2013	Mar	16	27
2013	Apr	20	24
2013	May	24	28
2013	Jun	25	34
2013	Jul	31	44
2013	Aug	43	69
2013	Sep	31	34
2013	Oct	25	40
2013	Nov	45	56
2013	Dec	62	72
2013	all	300	509