Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	226	302
2011	Feb	187	246
2011	Mar	249	347
2011	Apr	266	333
2011	May	257	392
2011	Jun	227	296
2011	Jul	229	324
2011	Aug	225	288
2011	Sep	199	253
2011	Oct	261	340
2011	Nov	396	520
2011	Dec	326	416
2011	all	2441	4057