Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	25	39
2011	Feb	21	39
2011	Mar	15	27
2011	Apr	22	27
2011	May	11	15
2011	Jun	23	27
2011	Jul	30	37
2011	Aug	23	25
2011	Sep	17	21
2011	Oct	24	42
2011	Nov	31	46
2011	Dec	21	36
2011	all	227	381