Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	1	1
2015	Feb	5	5
2015	Mar	0	0
2015	Apr	5	5
2015	May	3	3
2015	Jun	2	2
2015	Jul	3	4
2015	Aug	1	3
2015	Sep	14	23
2015	Oct	11	60
2015	Nov	6	17
2015	Dec	6	29
2015	all	53	152