Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2013	Jan	31	47
2013	Feb	20	40
2013	Mar	30	49
2013	Apr	32	38
2013	May	29	32
2013	Jun	20	23
2013	Jul	29	45
2013	Aug	48	68
2013	Sep	32	42
2013	Oct	36	45
2013	Nov	57	70
2013	Dec	48	53
2013	all	312	552