01/87 0 02/87 0 03/87 23 04/87 91 05/87 274 06/87 534 07/87 647 08/87 1278 09/87 727 10/87 1463 11/87 463 12/87 928 01/88 1412 02/88 911 03/88 1448 04/88 1476 05/88 1824 06/88 1885 07/88 1619 08/88 1694 09/88 1467 10/88 1628 11/88 1830 12/88 1375 01/89 1282 02/89 1026