| | |
| Filed on Form S-3: |
| | Registration Statement No. 33-52053 |
| | Registration Statement No. 33-52701 |
| | Registration Statement No. 33-55673 |
| | Registration Statement No. 33-56009 |
| | Registration Statement No. 33-60065 |
| | Registration Statement No. 33-63561 |
| | Registration Statement No. 333-03685 |
| | Registration Statement No. 333-17985 |
| | Registration Statement No. 333-31277 |
| | Registration Statement No. 333-42295 |
| | Registration Statement No. 333-43565 |
| | Registration Statement No. 333-57083 |
| | Registration Statement No. 333-61437 |
| | Registration Statement No. 333-66861 |
| | Registration Statement No. 333-79417 |
| | Registration Statement No. 333-83049 |
| | Registration Statement No. 333-31980 |
| | Registration Statement No. 333-49876 |
| | Registration Statement No. 333-52902 |
| | Registration Statement No. 333-76894 |
| | Registration Statement No. 333-104455 |
| | Registration Statement No. 333-109793 |
| | Registration Statement No. 333-121744 |
| | |
| Filed on Form S-8: |
| | Registration Statement No. 33-49979 |
| | Registration Statement No. 33-50012 |
| | Registration Statement No. 33-55804 |
| | Registration Statement No. 33-56103 |
| | Registration Statement No. 333-16041 |
| | Registration Statement No. 333-50928 |
| | Registration Statement No. 333-57460 |
| | Registration Statement No. 333-57661 |
| | Registration Statement No. 333-58007 |
| | Registration Statement No. 333-63002 |
| | Registration Statement No. 333-66353 |
| | Registration Statement No. 333-74200 |
| | Registration Statement No. 333-81901 |
| | Registration Statement No. 333-83580 |
| | Registration Statement No. 333-86060 |
| | Registration Statement No. 333-92357 |
| | Registration Statement No. 333-101461 |
| | Registration Statement No. 333-104006 |
| | Registration Statement No. 333-106567 |
| | Registration Statement No. 333-106631 |
| | Registration Statement No. 333-108976 |
| | Registration Statement No. 333-116983 |