Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	0	0
2011	Feb	0	0
2011	Mar	0	0
2011	Apr	9	10
2011	May	52	98
2011	Jun	59	86
2011	Jul	69	88
2011	Aug	57	88
2011	Sep	43	74
2011	Oct	56	104
2011	Nov	99	203
2011	Dec	76	102
2011	all	427	853