Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	7	8
2011	Feb	6	10
2011	Mar	6	8
2011	Apr	6	6
2011	May	4	5
2011	Jun	5	5
2011	Jul	2	5
2011	Aug	5	5
2011	Sep	4	4
2011	Oct	6	6
2011	Nov	8	8
2011	Dec	4	4
2011	all	61	74