Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2009	Jan	0	0
2009	Feb	0	0
2009	Mar	0	0
2009	Apr	18	19
2009	May	23	34
2009	Jun	25	27
2009	Jul	29	34
2009	Aug	23	24
2009	Sep	32	38
2009	Oct	43	50
2009	Nov	41	69
2009	Dec	34	52
2009	all	235	347