Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	32	42
2011	Feb	26	35
2011	Mar	21	34
2011	Apr	29	32
2011	May	21	28
2011	Jun	29	36
2011	Jul	32	34
2011	Aug	28	35
2011	Sep	24	30
2011	Oct	23	39
2011	Nov	37	49
2011	Dec	27	41
2011	all	288	435