Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	64	101
2011	Feb	48	80
2011	Mar	51	67
2011	Apr	79	96
2011	May	67	102
2011	Jun	62	84
2011	Jul	61	68
2011	Aug	64	76
2011	Sep	42	52
2011	Oct	45	58
2011	Nov	74	102
2011	Dec	54	77
2011	all	584	963