Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	0	0
2015	Feb	3	3
2015	Mar	1	1
2015	Apr	1	1
2015	May	0	0
2015	Jun	0	0
2015	Jul	1	1
2015	Aug	1	1
2015	Sep	0	0
2015	Oct	2	3
2015	Nov	1	1
2015	Dec	4	14
2015	all	14	25