| Industry | Full sample | Number unique firms | Sample/full data (%) |
| Basic materials | 275 | 62 | 22.5 |
| Consumer goods | 268 | 64 | 23.9 |
| Financials | 352 | 79 | 22.4 |
| Healthcare | 270 | 63 | 23.3 |
| Industrial goods | 216 | 50 | 23.1 |
| Services | 520 | 117 | 22.5 |
| Technology | 603 | 141 | 23.4 |
| Utilities | 92 | 20 | 21.7 |
| Total | 2596 | 596 | 22.9 |