Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	20	26
2011	Feb	16	23
2011	Mar	11	16
2011	Apr	18	20
2011	May	17	20
2011	Jun	19	23
2011	Jul	26	27
2011	Aug	17	17
2011	Sep	21	25
2011	Oct	17	26
2011	Nov	33	41
2011	Dec	20	27
2011	all	212	291