Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2009	Jan	23	45
2009	Feb	21	31
2009	Mar	45	66
2009	Apr	43	71
2009	May	33	66
2009	Jun	19	25
2009	Jul	33	45
2009	Aug	25	34
2009	Sep	30	35
2009	Oct	30	32
2009	Nov	36	57
2009	Dec	27	45
2009	all	312	552