Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	35	45
2011	Feb	27	35
2011	Mar	30	46
2011	Apr	29	36
2011	May	31	38
2011	Jun	32	38
2011	Jul	33	34
2011	Aug	34	46
2011	Sep	21	29
2011	Oct	32	53
2011	Nov	48	64
2011	Dec	31	55
2011	all	331	519