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	17	20
2011	Jul	18	18
2011	Aug	10	10
2011	Sep	10	10
2011	Oct	9	13
2011	Nov	19	25
2011	Dec	11	15
2011	all	97	116