19:56:31 Write to Excel2007 format<br />19:56:31 File written to 33chartcreate-column.xlsx<br />19:56:31 Peak memory usage: 6.5 MB<br />19:56:31 Done writing file<br />File has been created in /mnt/external-drives/mb-oracle-bv3/html-produccion/sainsa/mbinv/vendor/phpoffice/phpexcel/Examples<br />