Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	64	83
2011	Feb	48	65
2011	Mar	48	75
2011	Apr	57	95
2011	May	43	57
2011	Jun	51	66
2011	Jul	55	62
2011	Aug	54	83
2011	Sep	47	58
2011	Oct	51	105
2011	Nov	64	88
2011	Dec	44	62
2011	all	486	899