Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2009	Jan	0	0
2009	Feb	0	0
2009	Mar	0	0
2009	Apr	0	0
2009	May	0	0
2009	Jun	1	1
2009	Jul	1	3
2009	Aug	0	0
2009	Sep	3	3
2009	Oct	14	15
2009	Nov	21	43
2009	Dec	18	31
2009	all	54	96