Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	85	129
2011	Feb	58	82
2011	Mar	61	82
2011	Apr	94	109
2011	May	87	133
2011	Jun	67	91
2011	Jul	70	79
2011	Aug	78	105
2011	Sep	46	60
2011	Oct	48	73
2011	Nov	34	43
2011	Dec	22	27
2011	all	598	1013