| 1998 | | Quito | Unplaced |
| 1998 | | Quito | 3rd runner-up |
| 2002 | | Guayaquil | Unplaced |
| 2003 | | Quito | Unplaced |
| 2005 | | Quito | Unplaced |
| 2008 | | Quito | Unplaced |
| 2009 | | Manta | Unplaced |
| 2011 | | Santo Domingo de los Colorados | Unplaced |
| 2011 | | Santo Domingo de los Colorados | Unplaced |
| 2012 | | La Libertad | Unplaced |
| 2013 | | Guayaquil | Unplaced |
| 2014 | | Guayaquil | Unplaced |
| 2015 | | Guayaquil | Unplaced |
| 2017 | | Babahoyo | Unplaced |
| 2018 | | Machala | Unplaced |
| 2019 | | Guayaquil | Unplaced |
| 2020 | | Manta | Semifinalist |
| 2022 | | Quevedo | Semifinalist |
| 2023 | | Santo Domingo | Unplaced |
| 2023 | | Santo Domingo | Semifinalist |
