Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2012	Jan	9	10
2012	Feb	0	0
2012	Mar	1	1
2012	Apr	2	2
2012	May	2	2
2012	Jun	5	5
2012	Jul	5	6
2012	Aug	1	1
2012	Sep	4	4
2012	Oct	6	13
2012	Nov	1	1
2012	Dec	0	0
2012	all	35	45