Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	60	81
2011	Feb	40	60
2011	Mar	49	71
2011	Apr	64	81
2011	May	48	56
2011	Jun	54	62
2011	Jul	68	78
2011	Aug	62	74
2011	Sep	57	72
2011	Oct	55	76
2011	Nov	65	80
2011	Dec	53	63
2011	all	612	854