Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2009	Jan	12	15
2009	Feb	13	20
2009	Mar	15	18
2009	Apr	10	11
2009	May	6	7
2009	Jun	7	9
2009	Jul	8	9
2009	Aug	5	11
2009	Sep	4	6
2009	Oct	6	16
2009	Nov	4	4
2009	Dec	0	0
2009	all	78	126