Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	9	9
2011	Feb	2	3
2011	Mar	5	9
2011	Apr	3	5
2011	May	1	1
2011	Jun	4	6
2011	Jul	2	3
2011	Aug	2	4
2011	Sep	0	0
2011	Oct	7	8
2011	Nov	5	5
2011	Dec	0	0
2011	all	36	53