Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2013	Jan	2	8
2013	Feb	1	1
2013	Mar	1	2
2013	Apr	2	3
2013	May	3	3
2013	Jun	3	4
2013	Jul	3	3
2013	Aug	3	3
2013	Sep	6	9
2013	Oct	1	1
2013	Nov	2	3
2013	Dec	5	9
2013	all	30	49