12:39:55 Write to Excel2007 format<br />12:39:55 File written to 33chartcreate-bar-stacked.xlsx<br />12:39:55 Peak memory usage: 4 MB<br />12:39:55 Done writing file<br />File has been created in /home/clegatconh/backoffice/ninja/vendor/phpoffice/phpexcel/Examples<br />