Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	27	35
2011	Feb	21	29
2011	Mar	20	33
2011	Apr	23	27
2011	May	18	21
2011	Jun	23	28
2011	Jul	29	29
2011	Aug	25	29
2011	Sep	19	23
2011	Oct	19	34
2011	Nov	30	39
2011	Dec	23	32
2011	all	249	359