Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	24	40
2011	Feb	19	29
2011	Mar	32	44
2011	Apr	25	46
2011	May	19	27
2011	Jun	29	40
2011	Jul	34	34
2011	Aug	26	35
2011	Sep	22	27
2011	Oct	39	81
2011	Nov	39	54
2011	Dec	23	26
2011	all	250	483