Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	25	35
2011	Feb	23	29
2011	Mar	21	34
2011	Apr	26	32
2011	May	20	26
2011	Jun	27	34
2011	Jul	28	28
2011	Aug	27	36
2011	Sep	17	24
2011	Oct	23	41
2011	Nov	35	47
2011	Dec	24	38
2011	all	263	404