| 1930 | | Guayaquil | Unplaced |
| 1955 | | Guayaquil | Semifinalist |
| 1955 | | Guayaquil | Unplaced |
| 1956 | | Guayaquil | Unplaced |
| 1958 | | Guayaquil | Unplaced |
| 1958 | | Guayaquil | Unplaced |
| 1959 | | Guayaquil | 1st runner-up |
| 1961 | | Guayaquil | Semifinalist |
| 1964 | | Guayaquil | Winner |
| 1968 | | Guayaquil | Unplaced |
| 1969 | | Guayaquil | Unplaced |
| 1969 | | Guayaquil | 3rd runner-up |
| 1970 | | Guayaquil | Unplaced |
| 1970 | | Guayaquil | Unplaced |
| 1970 | | Guayaquil | Winner |
| 1971 | | Quito | Unplaced |
| 1971 | | Quito | Unplaced |
| 1971 | | Quito | Unplaced |
| 1972 | | Guayaquil | Unplaced |
| 1972 | | Guayaquil | Unplaced |
| 1974 | | Guayaquil | 1st runner-up |
| 1975 | | Guayaquil | Unplaced |
| 1975 | | Guayaquil | Unplaced |
| 1975 | | Guayaquil | Unplaced |
| 1977 | | Guayaquil | 2nd runner-up |
| 1977 | | Guayaquil | Winner |
| 1977 | | Guayaquil | 4th runner-up |
| 1980 | | Guayaquil | Unplaced |
| 1980 | | Guayaquil | Unplaced |
| 1980 | | Guayaquil | Unplaced |
| 1983 | | Guayaquil | Unplaced |
| 1983 | | Guayaquil | 4th runner-up |
| 1984 | | Guayaquil | Unplaced |
| 1985 | | Guayaquil | Unplaced |
| 1986 | | Guayaquil | 1st runner-up |
| 1986 | | Guayaquil | Unplaced |
| 1986 | | Guayaquil | Unplaced |
| 1986 | | Guayaquil | Unplaced |
| 1987 | | Guayaquil | Unplaced |
| 1989 | | Guayaquil | 1st runner-up |
| 1991 | | Guayaquil | Unplaced |
| 1991 | | Guayaquil | Unplaced |
| 1992 | | Guayaquil | 4th runner-up |
| 1992 | | Guayaquil | Unplaced |
| 1993 | | Quito | Unplaced |
| 1994 | | Guayaquil | Unplaced |
| 1994 | | Guayaquil | 1st runner-up |
| 1995 | | Guayaquil | Winner |
| 1996 | | Quito | 3rd runner-up |
| 1997 | | Quito | 2nd runner-up |
| 1998 | | Quito | Unplaced |
| 1999 | | Quito | Unplaced |
| 2001 | | Quito | Unplaced |
| 2004 | | Guayaquil | Unplaced |
| 2005 | | Quito | Unplaced |
| 2006 | | Cuenca | Unplaced |
| 2008 | | Quito | Unplaced |
| 2009 | | Manta | Unplaced |
| 2009 | | Manta | 1st runner-up |
| 2010 | | Quito | Unplaced |
| 2011 | | Santo Domingo de los Colorados | Unplaced |
| 2011 | | Santo Domingo de los Colorados | Unplaced |
| 2011 | | Santo Domingo de los Colorados | Unplaced |
| 2012 | | La Libertad | 3rd runner-up |
| 2013 | | Guayaquil | 1st runner-up |
| 2014 | | Guayaquil | Unplaced |
| 2017 | | Babahoyo | Unplaced |
| 2017 | | Babahoyo | 1st runner-up |
| 2017 | | Babahoyo | Semifinalist |
| 2017 | | Babahoyo | Unplaced |
| 2019 | | Guayaquil | Unplaced |
| 2019 | | Guayaquil | Unplaced |
| 2019 | | Guayaquil | Semifinalist |
| 2020 | | Manta | Unplaced |
| 2020 | | Manta | Semifinalist |
| 2021 | | Quevedo | Semifinalist |
| 2023 | | Santo Domingo | 4th runner-up |
| 2023 | | Santo Domingo | Unplaced |
| 2024 | | Salinas | 3rd runner-up |
