Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	27	35
2011	Feb	19	27
2011	Mar	16	30
2011	Apr	21	23
2011	May	16	19
2011	Jun	26	30
2011	Jul	30	32
2011	Aug	21	24
2011	Sep	18	21
2011	Oct	18	32
2011	Nov	32	39
2011	Dec	21	31
2011	all	231	343