Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	8601	13612
2015	Feb	8548	13065
2015	Mar	10399	15964
2015	Apr	10577	16600
2015	May	10895	16618
2015	Jun	9955	15644
2015	Jul	9785	15493
2015	Aug	8942	14050
2015	Sep	9639	15908
2015	Oct	12084	19856
2015	Nov	12926	21606
2015	Dec	11405	17956
2015	all	95240	196372