Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2009	Jan	19	42
2009	Feb	18	25
2009	Mar	42	54
2009	Apr	40	61
2009	May	20	41
2009	Jun	13	17
2009	Jul	22	33
2009	Aug	17	21
2009	Sep	22	25
2009	Oct	24	25
2009	Nov	29	49
2009	Dec	24	38
2009	all	250	431