Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	32	40
2011	Feb	20	25
2011	Mar	16	27
2011	Apr	27	30
2011	May	25	28
2011	Jun	28	32
2011	Jul	31	34
2011	Aug	25	29
2011	Sep	19	22
2011	Oct	20	33
2011	Nov	40	50
2011	Dec	23	40
2011	all	261	390