Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	35	41
2011	Feb	31	47
2011	Mar	22	35
2011	Apr	30	45
2011	May	19	33
2011	Jun	33	41
2011	Jul	34	37
2011	Aug	34	38
2011	Sep	25	32
2011	Oct	30	50
2011	Nov	43	58
2011	Dec	27	37
2011	all	312	494