Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	108	209
2011	Feb	113	244
2011	Mar	103	207
2011	Apr	136	232
2011	May	151	272
2011	Jun	119	205
2011	Jul	140	234
2011	Aug	110	194
2011	Sep	94	184
2011	Oct	104	196
2011	Nov	109	197
2011	Dec	70	167
2011	all	1072	2541