Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	23	37
2011	Feb	18	41
2011	Mar	19	28
2011	Apr	19	20
2011	May	13	17
2011	Jun	21	27
2011	Jul	29	31
2011	Aug	21	25
2011	Sep	23	26
2011	Oct	19	30
2011	Nov	24	31
2011	Dec	20	30
2011	all	227	343