Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2009	Jan	18	37
2009	Feb	27	31
2009	Mar	39	57
2009	Apr	39	66
2009	May	20	35
2009	Jun	17	25
2009	Jul	25	36
2009	Aug	17	21
2009	Sep	27	28
2009	Oct	31	38
2009	Nov	28	51
2009	Dec	21	32
2009	all	269	457