Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	60	83
2011	Feb	42	59
2011	Mar	52	65
2011	Apr	79	95
2011	May	67	103
2011	Jun	63	81
2011	Jul	59	62
2011	Aug	61	74
2011	Sep	39	51
2011	Oct	61	96
2011	Nov	86	139
2011	Dec	68	82
2011	all	611	990