| Clue | Source | Date |
|---|---|---|
| Eroded | LA Times Daily | 12 Apr 2022 |
| Eroded | The Washington Post | 12 Apr 2022 |
| Eroded | New York Times | 15 May 2018 |
| Eroded | ||
| Reduced gradually | USA Today | 19 Oct 2017 |
| Eroded | Newsday | 07 Sep 2017 |
| Eroded | Wall Street Journal | 19 Jun 2017 |
| Reduced gradually | ||
| Eroded | LA Times Daily | 10 Oct 2015 |
| Eroded | ||
| Corroded | ||
| Really bugged |