Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2009	Jan	0	0
2009	Feb	4	5
2009	Mar	12	13
2009	Apr	31	47
2009	May	30	46
2009	Jun	37	45
2009	Jul	46	64
2009	Aug	33	42
2009	Sep	41	49
2009	Oct	61	84
2009	Nov	49	81
2009	Dec	39	57
2009	all	302	533