21:37:54 Write to Excel2007 format<br />21:37:54 File written to 33chartcreate-bar-stacked.xlsx<br />21:37:54 Peak memory usage: 1.25 MB<br />21:37:54 Done writing file<br />File has been created in /home/factovizjh/legitrack/vendor/phpoffice/phpexcel/Examples<br />