Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2013	Jan	45	63
2013	Feb	27	39
2013	Mar	38	56
2013	Apr	55	75
2013	May	31	33
2013	Jun	29	36
2013	Jul	46	65
2013	Aug	61	88
2013	Sep	58	78
2013	Oct	92	114
2013	Nov	92	115
2013	Dec	103	135
2013	all	551	897