Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	42	78
2011	Feb	23	31
2011	Mar	24	42
2011	Apr	38	53
2011	May	24	27
2011	Jun	28	34
2011	Jul	32	33
2011	Aug	25	31
2011	Sep	26	31
2011	Oct	25	40
2011	Nov	49	62
2011	Dec	26	36
2011	all	318	498