Stock Splits
| Record Date | Distribution Date | Split |
| 03/01/83 | 03/16/83 | 2 FOR 1 |
| 07/08/83 | 07/25/83 | 2 FOR 1 |
| 04/15/86 | 05/01/86 | 2 FOR 1 |
| 08/05/88 | 08/22/88 | 3 FOR 2 |
| 04/24/89 | 05/09/89 | 3 FOR 2 |
| 12/31/90 | 01/15/91 | 2 FOR 1 |
| 12/02/91 | 12/17/91 | 2 FOR 1 |
| 07/18/00 | 08/08/00 | 3 FOR 2 |
| 07/30/01 | 08/06/01 | 3 FOR 2 |