Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	28	46
2011	Feb	28	34
2011	Mar	26	44
2011	Apr	34	40
2011	May	28	37
2011	Jun	30	36
2011	Jul	31	33
2011	Aug	29	33
2011	Sep	20	28
2011	Oct	25	42
2011	Nov	41	52
2011	Dec	32	47
2011	all	304	472