Percentages in each grade for all sessions by country / territory.
| Location | Bands | |||
| Band 4 | Band 3 | Band 2 | Band 1 | |
| Argentina | 16.7% | 66.7% | 16.7% | 0.0% |
| Azerbaijan | 0.0% | 66.7% | 33.3% | 0.0% |
| Brazil | 14.3% | 71.4% | 9.5% | 4.8% |
| China | 7.2% | 59.9% | 32.4% | 0.5% |
| Colombia | 26.1% | 69.6% | 4.3% | 0.0% |
| Ecuador | 12.5% | 66.7% | 20.8% | 0.0% |
| Egypt | 0.0% | 100.0% | 0.0% | 0.0% |
| Estonia | 10.0% | 70.0% | 20.0% | 0.0% |
| Germany | 100.0% | 0.0% | 0.0% | 0.0% |
| Greece | 80.0% | 0.0% | 20.0% | 0.0% |
| India | 3.8% | 71.2% | 25.0% | 0.0% |
| Indonesia | 10.0% | 64.0% | 26.0% | 0.0% |
| Iran | 20.0% | 80.0% | 0.0% | 0.0% |
| Ireland | 27.0% | 73.0% | 0.0% | 0.0% |
| Italy | 33.0% | 56.4% | 8.5% | 2.1% |
| Japan | 44.4% | 33.3% | 11.1% | 11.1% |
| Kazakhstan | 100.0% | 0.0% | 0.0% | 0.0% |
| Korea (South), | 0.0% | 100.0% | 0.0% | 0.0% |
| Malaysia | 11.1% | 88.9% | 0.0% | 0.0% |
| Mexico | 10.9% | 79.8% | 9.3% | 0.0% |
| Myanmar (Burma) | 0.0% | 100.0% | 0.0% | 0.0% |
| Paraguay | 50.0% | 50.0% | 0.0% | 0.0% |
| Peru | 100.0% | 0.0% | 0.0% | 0.0% |
| Poland | 100.0% | 0.0% | 0.0% | 0.0% |
| Portugal | 7.1% | 78.6% | 14.3% | 0.0% |
| Romania | 58.3% | 41.7% | 0.0% | 0.0% |
| Russia | 43.0% | 51.8% | 5.3% | 0.0% |
| Serbia | 50.0% | 50.0% | 0.0% | 0.0% |
| Spain | 48.8% | 46.5% | 4.7% | 0.0% |
| Sri Lanka | 13.3% | 40.0% | 46.7% | 0.0% |
| Sudan | 0.0% | 70.6% | 29.4% | 0.0% |
| Switzerland | 0.0% | 100.0% | 0.0% | 0.0% |
| Taiwan | 33.3% | 66.7% | 0.0% | 0.0% |
| United Kingdom | 42.0% | 58.0% | 0.0% | 0.0% |
| Uruguay | 30.0% | 70.0% | 0.0% | 0.0% |
| Grand Total | 21.2% | 62.3% | 16.0% | 0.5% |