Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	73	116
2011	Feb	59	99
2011	Mar	57	103
2011	Apr	91	133
2011	May	74	113
2011	Jun	65	91
2011	Jul	68	81
2011	Aug	61	82
2011	Sep	44	58
2011	Oct	53	92
2011	Nov	80	114
2011	Dec	63	85
2011	all	634	1167