Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	1	2
2015	Feb	1	1
2015	Mar	3	3
2015	Apr	5	7
2015	May	1	1
2015	Jun	1	1
2015	Jul	0	0
2015	Aug	0	0
2015	Sep	2	2
2015	Oct	3	8
2015	Nov	3	6
2015	Dec	8	28
2015	all	26	59