Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	3510	6330
2015	Feb	3535	6441
2015	Mar	4479	8819
2015	Apr	4843	8481
2015	May	4671	8444
2015	Jun	4169	7765
2015	Jul	3971	7392
2015	Aug	3655	6976
2015	Sep	3732	7875
2015	Oct	4455	9250
2015	Nov	4599	10066
2015	Dec	4113	9153
2015	all	36480	96992