Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	30	40
2011	Feb	17	33
2011	Mar	10	25
2011	Apr	25	27
2011	May	15	34
2011	Jun	20	23
2011	Jul	33	35
2011	Aug	23	27
2011	Sep	19	22
2011	Oct	15	24
2011	Nov	29	40
2011	Dec	19	30
2011	all	217	360