Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	60	77
2011	Feb	45	64
2011	Mar	55	79
2011	Apr	66	85
2011	May	50	59
2011	Jun	62	75
2011	Jul	71	79
2011	Aug	68	83
2011	Sep	55	69
2011	Oct	62	87
2011	Nov	66	81
2011	Dec	52	70
2011	all	643	908