Marketplaces sample characteristics (in per cents)
| Variables | 2016 | 2017 | 2018 |
| Documented sex, female | 52.3 | 52.2 | 51.6 |
| Age | |||
| 21–29 | 17.9 | 17.9 | 18.0 |
| 30–39 | 20.4 | 20.6 | 21.0 |
| 40–49 | 23.7 | 23.7 | 23.7 |
| 50–59 | 27.2 | 26.9 | 26.6 |
| 60–65 | 10.8 | 10.8 | 10.7 |
| Arthritis | 4.5 | 4.5 | 4.5 |
| Asthma | 10.6 | 10.7 | 10.8 |
| Cancer | 7.1 | 7.0 | 6.8 |
| Diabetes | 8.9 | 9.0 | 8.9 |
| Heart disease | 9.1 | 9.1 | 9.3 |
| Hypertension | 14.1 | 13.9 | 13.7 |
| Kidney disease | 0.6 | 0.6 | 0.6 |
| Lipid disorders | 10.2 | 9.7 | 9.5 |
| Mental health | 11.1 | 11.7 | 12.6 |
| Nervous | 0.7 | 0.7 | 0.7 |
| Osteoporosis | 0.6 | 0.6 | 0.6 |
| Viral infections | 0.4 | 0.4 | 0.4 |
| N | 1 000 000 | 1 000 000 | 1 000 000 |