Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	21	26
2011	Feb	18	27
2011	Mar	15	28
2011	Apr	23	25
2011	May	11	14
2011	Jun	22	25
2011	Jul	26	27
2011	Aug	20	26
2011	Sep	23	27
2011	Oct	17	25
2011	Nov	25	36
2011	Dec	20	30
2011	all	205	316