Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	480	723
2015	Feb	518	722
2015	Mar	648	837
2015	Apr	982	1277
2015	May	751	915
2015	Jun	602	822
2015	Jul	498	653
2015	Aug	541	700
2015	Sep	1166	1671
2015	Oct	1132	1576
2015	Nov	1063	1462
2015	Dec	932	1200
2015	all	7464	12558