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