Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	55	74
2011	Feb	47	68
2011	Mar	53	71
2011	Apr	82	103
2011	May	70	115
2011	Jun	74	103
2011	Jul	68	74
2011	Aug	58	79
2011	Sep	35	46
2011	Oct	44	64
2011	Nov	73	115
2011	Dec	52	57
2011	all	587	969