Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2009	Jan	17	40
2009	Feb	16	18
2009	Mar	40	49
2009	Apr	39	63
2009	May	23	42
2009	Jun	18	25
2009	Jul	28	40
2009	Aug	15	19
2009	Sep	24	26
2009	Oct	29	32
2009	Nov	34	58
2009	Dec	23	38
2009	all	266	450