Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	29	39
2011	Feb	25	28
2011	Mar	30	47
2011	Apr	30	53
2011	May	17	30
2011	Jun	28	39
2011	Jul	33	34
2011	Aug	24	42
2011	Sep	20	24
2011	Oct	27	53
2011	Nov	36	48
2011	Dec	27	32
2011	all	251	469