statsStartTime = startTime;
    private Stats() {        clientVersionRequests =                        Collections.synchronizedMap( new HashMap());        clientRequests =                        Collections.synchronizedMap( new HashMap());        getRequests = new Counter();        hostRequests = new Counter();        urlRequests = new Counter();        numUpdates = new Counter();        numRequests = new Counter();        updateRequestsGWC1 = new Counter();        updateRequestsGWC2 = new Counter();        numStatsRequests = new Counter();;        numDataRequests = new Counter();;        numIndexRequests = new Counter();;        numLicenseRequests = new Counter();;        startTime = new Date();        lastHour = startTime.getTime()/Data.MILLIS_PER_HOUR;        lastDay = startTime.getTime()/Data.MILLIS_PER_DAY;        lastWeek = startTime.getTime()/Data.MILLIS_PER_WEEK;        stopTime = null;    }