19:37:12 Write to Excel2007 format<br />19:37:12 File written to 33chartcreate-column-2.xlsx<br />19:37:12 Peak memory usage: 6.75 MB<br />19:37:12 Done writing file<br />File has been created in /mnt/external-drives/mb-oracle-bv3/html-produccion/sainsa/mbinv/vendor/phpoffice/phpexcel/Examples<br />