Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	40	56
2011	Feb	45	54
2011	Mar	43	65
2011	Apr	59	68
2011	May	41	50
2011	Jun	44	59
2011	Jul	51	54
2011	Aug	46	52
2011	Sep	46	58
2011	Oct	41	61
2011	Nov	59	72
2011	Dec	41	53
2011	all	480	702