Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	19	27
2011	Feb	15	20
2011	Mar	11	23
2011	Apr	19	20
2011	May	11	14
2011	Jun	21	25
2011	Jul	25	25
2011	Aug	19	24
2011	Sep	20	29
2011	Oct	16	26
2011	Nov	28	37
2011	Dec	19	30
2011	all	201	300