Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	3216	8264
2011	Feb	3105	5183
2011	Mar	3418	6108
2011	Apr	3201	5656
2011	May	3265	6682
2011	Jun	3334	5704
2011	Jul	2936	5265
2011	Aug	3036	5312
2011	Sep	3673	6591
2011	Oct	3332	5732
2011	Nov	3511	6417
2011	Dec	2458	3783
2011	all	28293	70697