) {
                if (email.length == 0) return 0;
                clientStats = dbInbound.clientStats.find(stats => stats.email === email);
                if (!clientStats) return 0;
                remained = clientStats.total - (clientStats.up + clientStats.down);
                return remained>0 ? remained : 0;
            },
            clientStatsColor(dbInbound, email) {
                if (email.length == 0) return ColorUtils.clientUsageColor();
                clientStats = dbInbound.clientStat