Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	24	47
2011	Feb	24	47
2011	Mar	15	23
2011	Apr	25	26
2011	May	14	17
2011	Jun	21	27
2011	Jul	28	29
2011	Aug	22	23
2011	Sep	26	30
2011	Oct	29	51
2011	Nov	37	52
2011	Dec	31	43
2011	all	255	415