Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	37	46
2011	Feb	29	45
2011	Mar	28	40
2011	Apr	32	33
2011	May	19	23
2011	Jun	27	33
2011	Jul	37	44
2011	Aug	21	27
2011	Sep	24	35
2011	Oct	22	31
2011	Nov	45	82
2011	Dec	25	42
2011	all	307	481