Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	114	176
2011	Feb	127	217
2011	Mar	131	216
2011	Apr	158	219
2011	May	156	251
2011	Jun	149	235
2011	Jul	120	187
2011	Aug	125	184
2011	Sep	113	192
2011	Oct	140	240
2011	Nov	173	304
2011	Dec	135	200
2011	all	1279	2621