Add utilization percent to the navbar of missionchief

gistfile1.txt

// ==UserScript==
// @name         Missionchief Utilization
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Adds a grid showing by station category the percentage of vehicles that are not available.
// @author       You
// @match        https://www.missionchief.com/
// @grant        none
// ==/UserScript==


(function() {
    'use strict';
    var utilizationTable = `
<li id="utilizationDisplay" style="color: #FFF; padding: 15px">
    <table style="border: 1px solid white;">
        <thead>
            <tr>
                <th style="border: 1px solid white; padding: 3px;" scope="col">All</th>
                <th style="border: 1px solid white; padding: 3px;" scope="col">Fire</th>
                <th style="border: 1px solid white; padding: 3px;" scope="col">Rescue</th>
                <th style="border: 1px solid white; padding: 3px;" scope="col">Police</th>
            </tr>
        </thead>
        <tbody>
            <tr>
                <td  style="border: 1px solid white; padding: 3px;" id="utilizationAll"></td>
                <td  style="border: 1px solid white; padding: 3px;" id="utilizationFire"></td>
                <td  style="border: 1px solid white; padding: 3px;" id="utilizationEMS"></td>
                <td  style="border: 1px solid white; padding: 3px;" id="utilizationPolice"></td>
            </tr>
        </tbody>
    </table>
</li>`

    function getUtilization() {
        var vehicles = document.querySelectorAll("li.building_list_li > ul > li > span.building_list_fms");
        var result = {
            total: 0,
            avail: 0,
            inuse: 0,
            totalFire: 0,
            availFire: 0,
            inuseFire: 0,
            totalPolice: 0,
            availPolice: 0,
            inusePolice: 0,
            totalEMS: 0,
            availEMS: 0,
            inuseEMS: 0
        };
        for (var i = 0; i < vehicles.length; i++) {
            var v = vehicles[i].parentNode.parentNode.parentElement.getAttribute("building_type_id");
            //console.log(vehicles[i]);
            //console.log(v);
            result.total = result.total + 1;
            if (v == "0") {
                result.totalFire = result.totalFire + 1;
                if (vehicles[i].textContent == "1" || vehicles[i].textContent == "2") {
                    result.avail = result.avail + 1;
                    result.availFire = result.availFire + 1;
                } else {
                    result.inuse = result.inuse + 1;
                    result.inuseFire = result.inuseFire + 1;
                }
            } else if (v == "5") {
                result.totalPolice = result.totalPolice + 1;
                if (vehicles[i].textContent == "1" || vehicles[i].textContent == "2") {
                    result.avail = result.avail + 1;
                    result.availPolice = result.availPolice + 1;
                } else {
                    result.inuse = result.inuse + 1;
                    result.inusePolice = result.inusePolice + 1;
                }
            } else if (v == "3") {
                result.totalEMS = result.totalEMS + 1;
                if (vehicles[i].textContent == "1" || vehicles[i].textContent == "2") {
                    result.avail = result.avail + 1;
                    result.availEMS = result.availEMS + 1;
                } else {
                    result.inuse = result.inuse + 1;
                    result.inuseEMS = result.inuseEMS + 1;
                }
            };
        }
        return result;
    };
    function showUtilization() {
        var utilization = getUtilization();
        console.log(utilization);
        utilization.percent = (utilization.inuse / utilization.total) * 100;
        utilization.percentFire = (utilization.inuseFire / utilization.totalFire) * 100;
        utilization.percentPolice = (utilization.inusePolice / utilization.totalPolice) * 100;
        utilization.percentEMS = (utilization.inuseEMS / utilization.totalEMS) * 100;
        console.log(utilization.percent);
        var utilizationText = 'A:' + utilization.percent.toFixed(2) + '%    P:' + utilization.percentPolice.toFixed(2);
        utilizationText = utilizationText + '%<br>F:' + utilization.percentFire.toFixed(2) + '%  R:' + utilization.percentEMS.toFixed(2) + '%';
        console.log(utilizationText);
        //document.querySelector("#utilizationDisplay").innerHTML = utilizationText;
        document.querySelector("#utilizationAll").innerHTML = utilization.percent.toFixed(2) + '%';
        document.querySelector("#utilizationFire").innerHTML = utilization.percentFire.toFixed(2) + '%';
        document.querySelector("#utilizationEMS").innerHTML = utilization.percentEMS.toFixed(2) + '%';
        document.querySelector("#utilizationPolice").innerHTML = utilization.percentPolice.toFixed(2) + '%';
        console.log("updated");
    };
    window.addEventListener('load', function() {
        // your code here
        var navNews = document.querySelector("li#news_li")
        navNews.insertAdjacentHTML('afterend', utilizationTable);
        showUtilization();
    }, false);
    var myUtilization = setInterval(showUtilization, 10000);

})();

Can it be updated to work for the UK version as the medical side does no work :)