Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2009	Jan	0	0
2009	Feb	0	0
2009	Mar	0	0
2009	Apr	11	11
2009	May	16	26
2009	Jun	13	14
2009	Jul	20	26
2009	Aug	15	16
2009	Sep	26	28
2009	Oct	25	28
2009	Nov	28	50
2009	Dec	21	31
2009	all	154	230