str.append (11, 3, 2, sojWait.average()).append (' ');
str.append (10, 3, 2, sojWait.standardDeviation());
str.append (10, sojWait.numberObs());
str.append (PrintfFormat.NEWLINE + " Service ");
str.append (12, 3, 2, sojServ.min()).append (' ');
str.append (10, 3, 2, sojServ.max()).append (' ');
str.append (11, 3, 2, sojServ.average()).append (' ');
str.append (10, 3, 2, sojServ.standardDeviation());
str.append (10, sojServ.numberObs());