Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	40	52
2011	Feb	32	42
2011	Mar	42	63
2011	Apr	42	55
2011	May	30	37
2011	Jun	43	51
2011	Jul	53	60
2011	Aug	53	58
2011	Sep	40	58
2011	Oct	43	71
2011	Nov	51	73
2011	Dec	38	54
2011	all	462	674