Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	4	4
2011	Feb	0	0
2011	Mar	3	4
2011	Apr	1	1
2011	May	3	3
2011	Jun	0	0
2011	Jul	2	6
2011	Aug	3	3
2011	Sep	0	0
2011	Oct	1	1
2011	Nov	2	2
2011	Dec	1	1
2011	all	19	25