Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	87	118
2011	Feb	46	56
2011	Mar	79	131
2011	Apr	60	96
2011	May	52	78
2011	Jun	111	146
2011	Jul	103	137
2011	Aug	97	112
2011	Sep	74	137
2011	Oct	84	188
2011	Nov	128	197
2011	Dec	70	108
2011	all	791	1504