Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2009	Jan	15	29
2009	Feb	17	18
2009	Mar	37	49
2009	Apr	37	62
2009	May	20	38
2009	Jun	13	16
2009	Jul	24	35
2009	Aug	15	19
2009	Sep	17	18
2009	Oct	24	30
2009	Nov	28	52
2009	Dec	17	29
2009	all	231	395