+--------+------------+------------+
  | name   | begin      | end        |
  +--------+------------+------------+
  | 1Q03   | 2003-01-01 | 2003-03-31 |
  +--------+------------+------------+
  | ...                              |
  +--------+------------+------------+
  | 4Q03   | 2003-10-01 | 2003-12-30 |
  +--------+------------+------------+