Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	3420	6319
2015	Feb	3159	6129
2015	Mar	4032	8138
2015	Apr	4012	7947
2015	May	4526	8809
2015	Jun	4074	8248
2015	Jul	4153	8862
2015	Aug	3643	8792
2015	Sep	3839	8777
2015	Oct	5754	12939
2015	Nov	5368	11997
2015	Dec	4405	9713
2015	all	34899	106670