13:54:31 Write to Excel2007 format<br />13:54:31 File written to 33chartcreate-bar-stacked.xlsx<br />13:54:31 Peak memory usage: 1 MB<br />13:54:31 Done writing file<br />File has been created in /home/gtscougagk/scolaritos/GT-SCOLARIX OS V2/PHPExcel/Examples<br />