Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	0	0
2011	Feb	0	0
2011	Mar	0	0
2011	Apr	17	21
2011	May	15	15
2011	Jun	30	40
2011	Jul	38	41
2011	Aug	28	39
2011	Sep	61	62
2011	Oct	35	69
2011	Nov	59	77
2011	Dec	44	61
2011	all	267	425