Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	39	51
2011	Feb	25	42
2011	Mar	26	45
2011	Apr	32	39
2011	May	32	37
2011	Jun	31	38
2011	Jul	36	39
2011	Aug	32	37
2011	Sep	27	31
2011	Oct	42	60
2011	Nov	45	56
2011	Dec	30	45
2011	all	342	520