Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2012	Jan	0	0
2012	Feb	0	0
2012	Mar	0	0
2012	Apr	0	0
2012	May	0	0
2012	Jun	0	0
2012	Jul	0	0
2012	Aug	0	0
2012	Sep	3	4
2012	Oct	13	15
2012	Nov	25	32
2012	Dec	21	34
2012	all	60	85