Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	44	54
2011	Feb	24	29
2011	Mar	30	50
2011	Apr	33	38
2011	May	32	36
2011	Jun	36	41
2011	Jul	35	42
2011	Aug	34	43
2011	Sep	23	27
2011	Oct	33	49
2011	Nov	50	64
2011	Dec	32	50
2011	all	349	523