Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	18	36
2011	Feb	18	26
2011	Mar	17	26
2011	Apr	32	39
2011	May	20	21
2011	Jun	22	30
2011	Jul	26	26
2011	Aug	21	24
2011	Sep	23	29
2011	Oct	22	33
2011	Nov	29	41
2011	Dec	24	30
2011	all	235	361