Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	16	16
2011	Feb	6	6
2011	Mar	10	12
2011	Apr	6	6
2011	May	13	13
2011	Jun	3	3
2011	Jul	1	2
2011	Aug	8	9
2011	Sep	6	6
2011	Oct	6	7
2011	Nov	10	10
2011	Dec	7	7
2011	all	80	97