| Variable | Mean | Maximum | Minimum | Standard deviation |
| Population (in millions) | 4.63 | 29.40 | 0.42 | 5.16 |
| Number of insurers | 14.14 | 42 | 2 | 8.38 |
| Top five market share | 87.08 | 100.0 | 67.00 | 8.84 |
| Herfindahl index | 0.3394 | 0.9572 | 0.1307 | 0.1774 |
| Average loss ratio | 0.78 | 1.39 | 0.39 | .014 |
| Guaranteed issue - all products | 0.1333 | 1 | 0 | 0.3411 |
| Guaranteed issue - some products | 0.073 | 1 | 0 | 0.2616 |
| Guaranteed renewal | 0.3133 | 1 | 0 | 0.4654 |
| Health rate band | 0.2156 | 1 | 0 | 0.3801 |
| Age rate band | 0.1084 | 1 | 0 | 0.2504 |
| Composite rate band | 0.097 | 1 | 0 | 0.2482 |
| Waiting period (in months) | 0.3952 | 72 | 3 | 0.2616 |
| Any limit on preexisting condition exclusions | 0.5600 | 1 | 0 | 0.4980 |
| BCBS market share | 0.5376 | 0.9920 | 0.1320 | 0.2056 |
| Commercial market share | 0.3385 | 0.8249 | 0.0000 | 0.2173 |
| HMO market share | 0.1239 | 0.6482 | 0.0000 | 0.1403 |