Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	68	74
2011	Feb	46	65
2011	Mar	49	64
2011	Apr	57	69
2011	May	29	35
2011	Jun	50	54
2011	Jul	23	23
2011	Aug	24	31
2011	Sep	20	22
2011	Oct	15	21
2011	Nov	16	18
2011	Dec	16	29
2011	all	403	505