Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2009	Jan	33	50
2009	Feb	41	52
2009	Mar	56	78
2009	Apr	60	93
2009	May	38	59
2009	Jun	31	43
2009	Jul	60	81
2009	Aug	26	32
2009	Sep	35	42
2009	Oct	47	66
2009	Nov	60	96
2009	Dec	36	55
2009	all	428	747