Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	19	23
2011	Feb	16	26
2011	Mar	23	40
2011	Apr	31	33
2011	May	21	24
2011	Jun	20	23
2011	Jul	32	34
2011	Aug	26	33
2011	Sep	24	28
2011	Oct	20	29
2011	Nov	28	37
2011	Dec	24	38
2011	all	256	368