Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2009	Jan	19	33
2009	Feb	35	35
2009	Mar	41	54
2009	Apr	42	71
2009	May	26	40
2009	Jun	20	28
2009	Jul	26	36
2009	Aug	18	23
2009	Sep	28	30
2009	Oct	34	42
2009	Nov	32	54
2009	Dec	24	38
2009	all	305	484