Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	29	36
2011	Feb	19	26
2011	Mar	15	29
2011	Apr	23	26
2011	May	21	24
2011	Jun	24	28
2011	Jul	31	34
2011	Aug	24	27
2011	Sep	19	22
2011	Oct	17	30
2011	Nov	39	49
2011	Dec	19	35
2011	all	241	366