Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	35	47
2011	Feb	32	41
2011	Mar	28	54
2011	Apr	41	67
2011	May	25	33
2011	Jun	38	51
2011	Jul	33	35
2011	Aug	36	50
2011	Sep	24	40
2011	Oct	33	71
2011	Nov	44	56
2011	Dec	30	46
2011	all	304	591