Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2009	Jan	0	0
2009	Feb	0	0
2009	Mar	0	0
2009	Apr	10	10
2009	May	19	31
2009	Jun	14	15
2009	Jul	18	23
2009	Aug	17	18
2009	Sep	25	28
2009	Oct	28	31
2009	Nov	35	60
2009	Dec	27	39
2009	all	169	255