Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	2	3
2011	Feb	3	8
2011	Mar	14	27
2011	Apr	39	53
2011	May	54	80
2011	Jun	53	71
2011	Jul	59	62
2011	Aug	52	73
2011	Sep	33	40
2011	Oct	48	80
2011	Nov	64	98
2011	Dec	56	65
2011	all	386	660