Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	10	11
2011	Feb	7	8
2011	Mar	8	8
2011	Apr	14	16
2011	May	6	6
2011	Jun	4	4
2011	Jul	4	6
2011	Aug	3	4
2011	Sep	5	8
2011	Oct	3	4
2011	Nov	8	11
2011	Dec	7	10
2011	all	74	96