Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	18	26
2011	Feb	13	18
2011	Mar	9	23
2011	Apr	19	21
2011	May	11	16
2011	Jun	19	24
2011	Jul	26	26
2011	Aug	17	21
2011	Sep	17	21
2011	Oct	18	32
2011	Nov	27	38
2011	Dec	19	32
2011	all	187	298