Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2009	Jan	24	43
2009	Feb	30	32
2009	Mar	40	50
2009	Apr	49	72
2009	May	25	38
2009	Jun	19	26
2009	Jul	25	36
2009	Aug	20	24
2009	Sep	32	33
2009	Oct	34	42
2009	Nov	40	64
2009	Dec	26	40
2009	all	320	500