| Date | Acquired | Amount |
|---|---|---|
| Dec 01, 2004 |
|
Undisclosed amount |
| Dec 01, 2004 |
|
Undisclosed amount |
| Oct 21, 2003 |
|
$ 25,000,000 |
| Jul 26, 2000 |
|
$ 4,000,000,000 |
| Jan 04, 2000 |
|
Undisclosed amount |
