Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	188	259
2011	Feb	195	269
2011	Mar	216	388
2011	Apr	222	328
2011	May	223	312
2011	Jun	215	276
2011	Jul	241	331
2011	Aug	193	261
2011	Sep	192	262
2011	Oct	233	312
2011	Nov	382	548
2011	Dec	365	494
2011	all	2409	4040