Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	23	32
2011	Feb	26	42
2011	Mar	20	34
2011	Apr	27	29
2011	May	18	25
2011	Jun	26	31
2011	Jul	29	31
2011	Aug	22	30
2011	Sep	22	28
2011	Oct	22	42
2011	Nov	35	47
2011	Dec	22	35
2011	all	261	406