Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	27	35
2011	Feb	16	28
2011	Mar	14	25
2011	Apr	19	20
2011	May	13	15
2011	Jun	23	28
2011	Jul	31	38
2011	Aug	22	26
2011	Sep	22	26
2011	Oct	19	29
2011	Nov	27	35
2011	Dec	21	38
2011	all	230	343