Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	53	66
2011	Feb	54	83
2011	Mar	41	55
2011	Apr	40	45
2011	May	40	47
2011	Jun	29	36
2011	Jul	42	46
2011	Aug	25	29
2011	Sep	35	42
2011	Oct	29	46
2011	Nov	25	35
2011	Dec	20	24
2011	all	378	554