Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	23	39
2011	Feb	19	23
2011	Mar	23	25
2011	Apr	28	32
2011	May	18	23
2011	Jun	25	31
2011	Jul	28	29
2011	Aug	20	28
2011	Sep	18	20
2011	Oct	18	25
2011	Nov	34	46
2011	Dec	18	20
2011	all	240	341