Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	19	24
2011	Feb	16	21
2011	Mar	19	37
2011	Apr	61	110
2011	May	64	94
2011	Jun	73	397
2011	Jul	62	80
2011	Aug	52	60
2011	Sep	39	47
2011	Oct	59	82
2011	Nov	65	99
2011	Dec	50	76
2011	all	493	1127