Create the first row dimension for year 1998 and then create each of the quarter sublist along with values for that quarter.
   year = makelist();
   rc = setniteml(rows, year, '1998');
   qtr = makelist();
   rc = setniteml(year, qtr, 'Quarter 1');
   rc = setitemn(qtr, 16197, 1, 'y');
   rc = setitemn(qtr, 15103, 2, 'y');
   rc = setitemn(qtr, 15114, 3, 'y');
   rc = setitemn(qtr, 15076, 4, 'y');
   rc = setitemn(qtr, 14515, 5, 'y');
   rc = setitemn(qtr, 13758, 6, 'y');
   qtr = makelist();
   rc = setniteml(year, qtr, 'Quarter 2');
   rc = setitemn(qtr, 14547, 1, 'y');
   rc = setitemn(qtr, 20027, 2, 'y');
   rc = setitemn(qtr, 14114, 3, 'y');
   rc = setitemn(qtr, 14898, 4, 'y');
   rc = setitemn(qtr, 13741, 5, 'y');
   rc = setitemn(qtr, 16032, 6, 'y');
   qtr = makelist();
   rc = setniteml (year, qtr, 'Quarter 3');
   rc = setitemn(qtr, 14870, 1, 'y');
   rc = setitemn(qtr, 14983, 2, 'y');
   rc = setitemn(qtr, 15452, 3, 'y');
   rc = setitemn(qtr, 13052, 4, 'y');
   rc = setitemn(qtr, 13800, 5, 'y');
   rc = setitemn(qtr, 16892, 6, 'y');
   qtr = makelist();
   rc = setniteml(year, qtr, 'Quarter 4');
   rc = setitemn(qtr, 15222, 1, 'y');
   rc = setitemn(qtr, 15252, 2, 'y');
   rc = setitemn(qtr, 13181, 3, 'y');
   rc = setitemn(qtr, 15200, 4, 'y');
   rc = setitemn(qtr, 16793, 5, 'y');
   rc = setitemn(qtr, 15954, 6, 'y');