Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2009	Jan	17	38
2009	Feb	11	18
2009	Mar	37	54
2009	Apr	40	68
2009	May	21	36
2009	Jun	19	23
2009	Jul	24	35
2009	Aug	17	21
2009	Sep	27	28
2009	Oct	29	32
2009	Nov	32	54
2009	Dec	20	33
2009	all	258	440