Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	18	29
2011	Feb	15	21
2011	Mar	12	20
2011	Apr	19	24
2011	May	9	16
2011	Jun	20	27
2011	Jul	26	26
2011	Aug	20	25
2011	Sep	21	27
2011	Oct	18	26
2011	Nov	23	30
2011	Dec	20	28
2011	all	196	299