| IOI 2002 - South Korea | | 2 | 6 |
| IOI 2003 - United States of America | | 2 | 6 |
| IOI 2004 - Greece | | 2 | 6 |
| IOI 2005 - Poland | | 2 | 6 |
| IOI 2006 - Mexico | | 2 | 6 |
| IOI 2007 - Croatia | | 2 | 6 |
| IOI 2008 - Egypt | | 2 | 6 |
| IOI 2009 - Bulgaria | | 2 | 8 |
| IOI 2010 - Canada | | 2 | 8 |
| IOI 2011 - Thailand | | 2 | 6 |
| IOI 2012 - Italy | | 2 | 6 |
| IOI 2013 - Australia | | 2 | 6 |
| IOI 2014 - Taiwan | | 2 | 6 |
| IOI 2015 - Kazakhstan | | 2 | 6 |
| IOI 2016 - Russia | | 2 | 6 |
| IOI 2017 - Iran | | 2 | 6 |
| IOI 2018 - Japan | | 2 | 6 |
| IOI 2019 - Azerbaijan | | 3 | 10 |
| IOI 2020 - Singapore | | 3 | 10 |
| IOI 2021 - Singapore | | 3 | 10 |
| IOI 2022 - Indonesia | | 3 | 10 |
| IOI 2023 - Hungary | | 3 | 11 |
| IOI 2024 - Egypt | | 3 | 10 |
| IOI 2025 - Bolivia | | 3 | 10 |