Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	0	0
2011	Feb	0	0
2011	Mar	2	2
2011	Apr	31	36
2011	May	45	71
2011	Jun	47	63
2011	Jul	55	57
2011	Aug	45	59
2011	Sep	28	36
2011	Oct	30	41
2011	Nov	62	93
2011	Dec	43	48
2011	all	328	506