Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	0	0
2011	Feb	0	0
2011	Mar	0	0
2011	Apr	1	1
2011	May	4	4
2011	Jun	16	19
2011	Jul	20	20
2011	Aug	9	9
2011	Sep	9	9
2011	Oct	10	12
2011	Nov	19	22
2011	Dec	12	16
2011	all	94	112