Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	76	110
2011	Feb	51	71
2011	Mar	57	79
2011	Apr	78	93
2011	May	67	96
2011	Jun	61	82
2011	Jul	58	62
2011	Aug	67	79
2011	Sep	41	51
2011	Oct	40	52
2011	Nov	76	100
2011	Dec	59	69
2011	all	589	944