Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	22	37
2011	Feb	23	37
2011	Mar	15	25
2011	Apr	26	29
2011	May	16	25
2011	Jun	23	27
2011	Jul	29	34
2011	Aug	20	22
2011	Sep	15	18
2011	Oct	20	32
2011	Nov	32	38
2011	Dec	17	25
2011	all	228	349