Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	23	30
2011	Feb	20	31
2011	Mar	19	32
2011	Apr	29	34
2011	May	14	17
2011	Jun	27	32
2011	Jul	28	28
2011	Aug	25	30
2011	Sep	23	29
2011	Oct	20	33
2011	Nov	37	45
2011	Dec	24	37
2011	all	251	378