Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	32	40
2011	Feb	24	27
2011	Mar	22	37
2011	Apr	28	34
2011	May	25	29
2011	Jun	28	33
2011	Jul	31	34
2011	Aug	34	39
2011	Sep	17	20
2011	Oct	21	34
2011	Nov	42	55
2011	Dec	23	40
2011	all	280	422