Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	42	57
2011	Feb	19	23
2011	Mar	16	17
2011	Apr	24	26
2011	May	17	22
2011	Jun	21	24
2011	Jul	28	29
2011	Aug	20	24
2011	Sep	15	15
2011	Oct	14	17
2011	Nov	28	53
2011	Dec	16	18
2011	all	232	325