Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	0	0
2011	Feb	0	0
2011	Mar	8	14
2011	Apr	39	49
2011	May	67	111
2011	Jun	72	104
2011	Jul	80	102
2011	Aug	83	108
2011	Sep	55	78
2011	Oct	60	92
2011	Nov	101	164
2011	Dec	79	102
2011	all	540	924