Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	25	29
2011	Feb	21	24
2011	Mar	18	33
2011	Apr	27	30
2011	May	20	25
2011	Jun	29	33
2011	Jul	30	33
2011	Aug	26	30
2011	Sep	21	24
2011	Oct	19	31
2011	Nov	40	54
2011	Dec	21	32
2011	all	261	378