Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	125	194
2011	Feb	90	158
2011	Mar	99	172
2011	Apr	139	183
2011	May	115	184
2011	Jun	99	140
2011	Jul	144	187
2011	Aug	126	232
2011	Sep	451	956
2011	Oct	128	237
2011	Nov	136	218
2011	Dec	99	126
2011	all	1470	2987