public function getSeriePercentile($Serie = "Serie1", $Percentil = 95)
    {
        if (!isset($this->Data["Series"][$Serie]["Data"])) {
            return null;
        }

        $Values = count($this->Data["Series"][$Serie]["Data"]) - 1;
        if ($Values < 0) {
            $Values = 0;
        }

        $PercentilID = floor(($Values / 100) * $Percentil + .5);
        $SortedValues = $this->Data["Series"][$Serie]["Data"];
        sort($SortedValues);

        if (is_numeric($SortedValues[$PercentilID])) {
            return $SortedValues[$PercentilID];
        }
        return null;
    }