Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2012	Jan	1	1
2012	Feb	0	0
2012	Mar	2	3
2012	Apr	3	3
2012	May	1	3
2012	Jun	2	2
2012	Jul	2	2
2012	Aug	2	2
2012	Sep	1	1
2012	Oct	4	4
2012	Nov	2	10
2012	Dec	0	0
2012	all	20	31