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| Year | Host | Winner | Score | Runner-up |
| 1972 | Argentina | Argentina | | Chile |
| 1974 | various | Argentina | | ? |
| 1976 | Chile | Argentina | | Uruguay |
| 1978 | Brazil | Argentina | | Uruguay |
| 1980 | | Uruguay | | |
| 1982 | Uruguay | Argentina | | Uruguay |
| 1984 | Chile | Argentina | | Chile |
| 1986 | Argentina | Argentina | | Chile |
| 1988 | Paraguay | Argentina | | Uruguay |
| 1990 | Chile | Argentina | | Chile |
| 1993 | various | Argentina | | ? |
| 1994 | various | Argentina | | Uruguay |
| 1996 | Chile | Argentina | | Uruguay |
| 1998 | Argentina | Argentina | | Uruguay |
| 1999 | Brazil | Argentina | | Uruguay |
| 2000 | Chile | Argentina | | Chile |
| 2002 | Argentina | Argentina | | Chile |
| 2003 | Paraguay | Argentina | | Chile |
| 2004 | Uruguay | Argentina | | Uruguay |
| 2005 | Chile | Argentina | | Chile |
| 2006 | Argentina | Argentina | | Uruguay |
| 2007 | Uruguay | Argentina | | Uruguay |
| 2008 | Argentina | Argentina | | Chile |
| 2009 | Argentina | Argentina | | Uruguay |
| 2010 | Argentina | Argentina | | Uruguay |
| 2011 | Paraguay | Argentina | | Chile |
| 2012 | Argentina | Argentina | | Chile |
| 2013 | Brazil | Argentina | | Uruguay |
| 2014 | Uruguay | Uruguay | | Chile |
| 2015 | Paraguay | Uruguay | | Chile |