Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	25	33
2011	Feb	17	22
2011	Mar	13	24
2011	Apr	21	26
2011	May	16	19
2011	Jun	24	28
2011	Jul	29	30
2011	Aug	23	26
2011	Sep	18	21
2011	Oct	18	31
2011	Nov	31	37
2011	Dec	19	30
2011	all	227	327