Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2009	Jan	23	41
2009	Feb	19	39
2009	Mar	42	70
2009	Apr	35	65
2009	May	31	42
2009	Jun	28	33
2009	Jul	35	46
2009	Aug	26	42
2009	Sep	27	34
2009	Oct	32	37
2009	Nov	30	49
2009	Dec	40	67
2009	all	320	565