An Open Access Journal
 | Self-employed (%) | Salaried employees (%) | Other status (%) | 5 days of delivery a week (%) | 6 days of delivery a week (%) | 7 days of delivery a week (%) | 10–20 deliveries a day (%) |
---|---|---|---|---|---|---|---|
Students | 37 | 42 | 21 | 29 | 20 | 19 | 40 |
People with another job | 47 | 27 | 26 | 20 | 22 | 22 | 36 |
Full-timers | 58 | 25 | 17 | 32 | 52 | 16 | 41 |