Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	22	41
2011	Feb	18	29
2011	Mar	14	21
2011	Apr	22	27
2011	May	18	21
2011	Jun	25	29
2011	Jul	29	29
2011	Aug	20	24
2011	Sep	18	21
2011	Oct	17	30
2011	Nov	35	41
2011	Dec	19	33
2011	all	231	346