Data was tabulated in Excel for Windows spreadsheets, version 2010 and analyzed by the software Statistical Package for Social Sciences 21.
Los datos fueron tabulados en planillas Excel del Windows, versión 2010 y analizados por el software Statistical Package for Social Sciences 21.
Os dados foram tabulados em planilhas do Excel for Windows, versão 2010 e analisados pelo software Statistical Package for Social Sciences 21.