Level History of Koppers
| Level | Date |
|---|---|
| 21 | 2021-05-25 05:56:31 |
| 20 | 2021-05-23 12:49:10 |
| 19 | 2021-05-23 12:13:00 |
| 18 | 2021-05-23 11:21:00 |
| 17 | 2021-05-23 10:41:08 |
| 16 | 2021-05-23 10:22:41 |
| 15 | 2021-05-23 09:44:57 |
| 14 | 2021-05-23 09:05:38 |
| 13 | 2021-05-23 08:51:32 |
| 12 | 2021-05-23 08:47:37 |
| 11 | 2021-05-23 08:42:51 |
| 10 | 2021-05-23 08:13:02 |
| 9 | 2021-05-23 04:17:01 |
| 8 | 2021-05-23 04:13:56 |
| 7 | 2021-05-23 04:01:23 |
| 6 | 2021-05-23 03:48:16 |
| 5 | 2021-05-23 03:45:04 |
| 4 | 2021-05-23 03:40:53 |
| 3 | 2021-05-23 03:23:11 |
| 2 | 2021-05-23 03:20:16 |