Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	6	6
2011	Feb	0	0
2011	Mar	1	1
2011	Apr	0	0
2011	May	3	4
2011	Jun	0	0
2011	Jul	1	3
2011	Aug	2	3
2011	Sep	1	1
2011	Oct	0	0
2011	Nov	0	0
2011	Dec	3	4
2011	all	15	22