Here is the performance stats of the solution by YeshuaAgapao for TSQL Challenge21.
| Attempt | Start Time | Reads | Writes | CPU | Duration (Sec) |
| 1 | May 26 2010 3:13PM | 270 | 0 | 56176 | 59.465 |
| 2 | May 26 2010 4:17PM | 270 | 0 | 57377 | 70.980 |
| 3 | May 26 2010 5:12PM | 270 | 0 | 53134 | 53.622 |
| 4 | May 26 2010 6:00PM | 270 | 0 | 52712 | 52.898 |
| 5 | May 26 2010 6:48PM | 270 | 0 | 54086 | 54.902 |