Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	71	122
2011	Feb	64	95
2011	Mar	66	102
2011	Apr	98	134
2011	May	69	117
2011	Jun	68	94
2011	Jul	64	69
2011	Aug	70	93
2011	Sep	34	49
2011	Oct	50	85
2011	Nov	84	140
2011	Dec	63	83
2011	all	645	1183