Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	6	7
2011	Feb	5	5
2011	Mar	4	4
2011	Apr	1	1
2011	May	5	5
2011	Jun	2	2
2011	Jul	3	6
2011	Aug	4	7
2011	Sep	1	1
2011	Oct	1	1
2011	Nov	4	4
2011	Dec	3	3
2011	all	37	46