Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	77	91
2011	Feb	50	69
2011	Mar	56	88
2011	Apr	64	85
2011	May	63	77
2011	Jun	62	69
2011	Jul	64	71
2011	Aug	58	76
2011	Sep	70	114
2011	Oct	52	70
2011	Nov	76	96
2011	Dec	45	68
2011	all	607	974