Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	29	43
2011	Feb	23	40
2011	Mar	20	33
2011	Apr	28	32
2011	May	17	24
2011	Jun	30	36
2011	Jul	28	29
2011	Aug	23	30
2011	Sep	19	27
2011	Oct	24	40
2011	Nov	37	48
2011	Dec	23	37
2011	all	260	419