Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	3582	6680
2015	Feb	2922	5063
2015	Mar	3277	6125
2015	Apr	3468	6684
2015	May	3500	5996
2015	Jun	3646	7573
2015	Jul	4044	7189
2015	Aug	3703	7297
2015	Sep	3774	6979
2015	Oct	3748	7713
2015	Nov	4147	8655
2015	Dec	3658	7086
2015	all	28606	83040