Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	48	59
2011	Feb	30	44
2011	Mar	42	57
2011	Apr	44	50
2011	May	29	36
2011	Jun	37	44
2011	Jul	39	42
2011	Aug	38	41
2011	Sep	25	28
2011	Oct	36	52
2011	Nov	53	66
2011	Dec	33	49
2011	all	374	568