Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	22	29
2011	Feb	18	22
2011	Mar	20	22
2011	Apr	25	29
2011	May	18	26
2011	Jun	24	28
2011	Jul	31	32
2011	Aug	18	20
2011	Sep	17	17
2011	Oct	13	16
2011	Nov	35	45
2011	Dec	17	18
2011	all	237	304