Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	20	29
2011	Feb	17	28
2011	Mar	15	33
2011	Apr	25	30
2011	May	13	20
2011	Jun	26	32
2011	Jul	28	29
2011	Aug	18	24
2011	Sep	21	27
2011	Oct	21	44
2011	Nov	32	47
2011	Dec	19	32
2011	all	222	375