Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2009	Jan	0	0
2009	Feb	0	0
2009	Mar	0	0
2009	Apr	16	19
2009	May	24	38
2009	Jun	27	41
2009	Jul	23	31
2009	Aug	22	23
2009	Sep	31	34
2009	Oct	35	42
2009	Nov	38	60
2009	Dec	33	46
2009	all	219	334