| Date | Acquired | Amount |
|---|---|---|
| Jan 31, 2002 |
|
$ 23,000,000 |
| Oct 26, 1999 |
|
$ 19,500,000 |
| Aug 05, 1999 |
|
$ 55,000,000 |
| Jul 01, 1999 |
|
$ 90,500,000 |
| Jan 04, 1999 |
|
$ 13,500,000 |
| Aug 04, 1998 |
|
Undisclosed amount |
| Apr 23, 1998 |
|
$ 33,000,000 |
