Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	18	28
2011	Feb	23	25
2011	Mar	16	23
2011	Apr	27	29
2011	May	20	23
2011	Jun	25	33
2011	Jul	29	29
2011	Aug	22	25
2011	Sep	17	20
2011	Oct	16	24
2011	Nov	41	54
2011	Dec	21	35
2011	all	245	348