Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	0	0
2011	Feb	0	0
2011	Mar	0	0
2011	Apr	28	33
2011	May	24	26
2011	Jun	39	43
2011	Jul	61	78
2011	Aug	48	59
2011	Sep	43	50
2011	Oct	52	70
2011	Nov	60	81
2011	Dec	48	54
2011	all	358	494