Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	40	56
2011	Feb	30	44
2011	Mar	29	43
2011	Apr	28	31
2011	May	30	35
2011	Jun	32	36
2011	Jul	37	40
2011	Aug	28	36
2011	Sep	27	32
2011	Oct	26	39
2011	Nov	50	65
2011	Dec	26	52
2011	all	335	509