Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	18	28
2011	Feb	13	25
2011	Mar	9	23
2011	Apr	19	22
2011	May	11	18
2011	Jun	18	22
2011	Jul	26	26
2011	Aug	20	23
2011	Sep	16	22
2011	Oct	18	33
2011	Nov	26	34
2011	Dec	18	35
2011	all	185	311