Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	40	51
2011	Feb	28	51
2011	Mar	27	43
2011	Apr	31	31
2011	May	21	26
2011	Jun	29	35
2011	Jul	43	50
2011	Aug	32	38
2011	Sep	32	45
2011	Oct	23	32
2011	Nov	52	78
2011	Dec	28	43
2011	all	344	523