Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2009	Jan	20	33
2009	Feb	15	16
2009	Mar	41	55
2009	Apr	33	63
2009	May	23	37
2009	Jun	16	22
2009	Jul	26	36
2009	Aug	16	20
2009	Sep	16	17
2009	Oct	23	29
2009	Nov	29	53
2009	Dec	19	30
2009	all	237	411