| Clue | Source | Date |
|---|---|---|
| Data graphics with wedges | New York Times | 13 Jun 2022 |
| Business circles? | New York Times | 21 Apr 2017 |
| Business circles? | ||
| They display information in wedges | Jonesin | 08 Mar 2016 |
| Percentage representations | ||
| Some graphics | ||
| Some USA Today graphics | ||
| Business graphics | ||
| Statistical circles | ||
| Statisticians' circles. |