Apache Stats Collection Units information

#!/usr/bin/perl
#
## Zabbix_Apache2.pl
## Versions 2.0

#
use LWP::Simple;
use strict;
#
my($url)="http://localhost/server-status?auto";
my($server_status)=get($url);
my($total_accesses,$total_kbytes,$cpuload,$uptime, $reqpersec,$bytespersec,$bytesperreq,$busyworkers, $idleworkers,$totalworkers);
#
if (! $server_status) {
print "Can't access $url\nCheck apache configuration\n\n";
exit(1);
}
#
$total_accesses = $1 if ($server_status =~ /Total\ Accesses:\ ([\d|\.]+)/ig)||0;
$total_kbytes = $1 if ($server_status =~ /Total\ kBytes:\ ([\d|\.]+)/gi);
$cpuload = $1 if ($server_status =~ /CPULoad:\ ([\d|\.]+)/gi);
$uptime = $1 if ($server_status =~ /Uptime:\ ([\d|\.]+)/gi);
$reqpersec = $1 if ($server_status =~ /ReqPerSec:\ ([\d|\.]+)/gi);
$bytespersec = $1 if ($server_status =~ /BytesPerSec:\ ([\d|\.]+)/gi);
$bytesperreq = $1 if ($server_status =~ /BytesPerReq:\ ([\d|\.]+)/gi);
$busyworkers = $1 if ($server_status =~ /BusyWorkers:\ ([\d|\.]+)/gi);
$idleworkers = $1 if ($server_status =~ /IdleWorkers:\ ([\d|\.]+)/gi);
$totalworkers = $busyworkers + $idleworkers;
#
open (MYFILE, '>/tmp/apache_data.txt');
printf MYFILE "%i:%i:%.2f:%i:%.2f:%.2f:%.2f:%i:%i:%i\n",$total_accesses,$total_kbytes,$cpuload,$uptime,$reqpersec,$bytespersec,$bytesperreq,$busyworkers,$idleworkers,$totalworkers;
close (MYFILE); 
exit(0);

Above is a code that I found in your forums.I wanted to know if the measuring units represent exact values meaning wanted to know if some of them are in percentages?

Sample Output:

busyworkers:75 bytesperreq:2241.71 bytespersec:7634.33 CPULoad:.0853807 idleworkers:13 reqpersec:3.40558 TotalAccess:195167 totalworkers:88 Total_kbytes:427254