Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2009	Jan	0	0
2009	Feb	0	0
2009	Mar	0	0
2009	Apr	14	15
2009	May	20	30
2009	Jun	17	18
2009	Jul	23	29
2009	Aug	15	16
2009	Sep	27	28
2009	Oct	29	35
2009	Nov	27	50
2009	Dec	26	36
2009	all	175	257