How delete the Statistics info of users?

HI, how delete next info in yellow color?





i have the next code in PHP:

$API = new routeros_api();
$API->debug = false;
if ($API->connect($ipRouteros , $Username , $Pass, $api_puerto)) {
$API->write('/tool/user-manager/user/print');
   $READ = $API->read(false);
   $ARRAY = $API->parse_response($READ);
   print_r($ARRAY);
}
$API->disconnect();

whereby I get downloads and uploads of users per month, would remove such data UserManager by terminal or php API, then obtain new data these past one month.


THANKS!

From terminal (for all users):

/tool user-manager user reset-counters [find]

or with my PHP API client:

<?php
use PEAR2\Net\RouterOS;
require_once 'PEAR2_Net_RouterOS-1.0.0b5.phar';
//define $ipRouteros , $Username , $Pass, $api_puerto here

$util = new RouterOS\Util($client = new RouterOS\Client($ipRouteros , $Username , $Pass, $api_puerto));

$resetRequest = new RouterOS\Request('/tool user-manager user reset-counters');
$resetRequest->setArgument(
    'numbers',
    $util->setMenu('/tool user-manager user')->find()
);
$client->sendSync($resetRequest);