function fillData(&$where, $ljoin, &$serie, $dates)
{
    $d =& $serie['data'];
    $bs = new CBloodSalvage();
    $pos = end(array_keys($where));
    $i = 0;
    foreach ($dates as $month => $date) {
        $where['operations.date'] = "BETWEEN '{$date['start']}' AND '{$date['end']}'";
        $count = $bs->countList($where, null, $ljoin);
        $d[$i] = array($i, intval($count));
        $i++;
    }
    unset($where[$pos]);
}