Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	28	38
2011	Feb	55	65
2011	Mar	27	41
2011	Apr	38	62
2011	May	23	30
2011	Jun	30	40
2011	Jul	36	37
2011	Aug	28	42
2011	Sep	26	32
2011	Oct	26	49
2011	Nov	45	64
2011	Dec	31	33
2011	all	315	533