Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	42	57
2011	Feb	26	33
2011	Mar	30	49
2011	Apr	34	40
2011	May	28	32
2011	Jun	34	39
2011	Jul	36	43
2011	Aug	34	41
2011	Sep	21	25
2011	Oct	33	49
2011	Nov	46	60
2011	Dec	28	55
2011	all	340	523