Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	0	0
2011	Feb	0	0
2011	Mar	0	0
2011	Apr	23	25
2011	May	22	23
2011	Jun	37	41
2011	Jul	59	68
2011	Aug	51	60
2011	Sep	42	52
2011	Oct	60	79
2011	Nov	62	82
2011	Dec	46	49
2011	all	355	479