Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	39	54
2011	Feb	24	45
2011	Mar	28	40
2011	Apr	33	45
2011	May	31	36
2011	Jun	36	43
2011	Jul	41	42
2011	Aug	28	35
2011	Sep	19	26
2011	Oct	30	48
2011	Nov	51	70
2011	Dec	24	42
2011	all	319	526