Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2009	Jan	33	48
2009	Feb	48	59
2009	Mar	61	80
2009	Apr	60	98
2009	May	41	61
2009	Jun	42	56
2009	Jul	65	87
2009	Aug	34	40
2009	Sep	41	52
2009	Oct	49	68
2009	Nov	67	104
2009	Dec	40	64
2009	all	474	817