Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	251	391
2011	Feb	185	293
2011	Mar	243	467
2011	Apr	227	324
2011	May	283	425
2011	Jun	263	417
2011	Jul	263	355
2011	Aug	255	353
2011	Sep	268	409
2011	Oct	234	328
2011	Nov	319	566
2011	Dec	253	338
2011	all	2418	4666