Country income | High-income Country | US$33 429 | US$0 | US$126 334 | US$42 036 | US$0 | US$126 334 |
| Low-income and middle-income country | US$37 000 | US$20 000 | US$54 000 | US$37 000 | US$20 000 | US$54 000 |
Online option | Yes | US$18 308 | US$7142 | US$39 612 | US$20 399 | US$7143 | US$39 612 |
| No | US$35 727 | US$0 | US$126 334 | US$44 761 | US$0 | US$126 334 |
Duration of course | Short (≤1 year) | US$20 174 | US$0 | US$57 256 | US$28 922 | US$0 | US$57 256 |
| Long (>1 year) | US$45 199 | US$0 | US$126 334 | US$52 903 | US$8129 | US$126 334 |
Type of school | Private | US$69 447 | US$20 000 | US$126 334 | US$69 446 | US$20 000 | US$126 334 |
| Public | US$12 924 | US$0 | US$49 140 | US$25 835 | US$0 | US$61 325 |