Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	27	36
2011	Feb	31	44
2011	Mar	31	41
2011	Apr	26	30
2011	May	26	40
2011	Jun	25	30
2011	Jul	37	38
2011	Aug	32	35
2011	Sep	27	37
2011	Oct	26	44
2011	Nov	40	60
2011	Dec	26	45
2011	all	307	480