Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2009	Jan	0	0
2009	Feb	0	0
2009	Mar	0	0
2009	Apr	33	43
2009	May	30	53
2009	Jun	38	49
2009	Jul	51	63
2009	Aug	92	124
2009	Sep	64	80
2009	Oct	82	121
2009	Nov	142	186
2009	Dec	79	115
2009	all	482	834