Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2015	Jan	8601	13612
2015	Feb	8546	13063
2015	Mar	10400	15965
2015	Apr	10580	16603
2015	May	10896	16619
2015	Jun	9957	15646
2015	Jul	9784	15494
2015	Aug	8948	14053
2015	Sep	9636	15908
2015	Oct	12087	19860
2015	Nov	12924	21603
2015	Dec	11408	17958
2015	all	95247	196384