Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	102	158
2011	Feb	90	127
2011	Mar	99	136
2011	Apr	113	147
2011	May	107	158
2011	Jun	86	114
2011	Jul	89	98
2011	Aug	102	131
2011	Sep	66	82
2011	Oct	77	119
2011	Nov	136	210
2011	Dec	92	110
2011	all	951	1590