Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	20	29
2011	Feb	17	31
2011	Mar	13	26
2011	Apr	23	29
2011	May	15	19
2011	Jun	26	31
2011	Jul	28	28
2011	Aug	21	28
2011	Sep	20	27
2011	Oct	20	36
2011	Nov	29	41
2011	Dec	20	46
2011	all	220	371