18:38:22 Write to Excel2007 format
18:38:22 File written to 33chartcreate-bar-stacked.xlsx
18:38:22 Peak memory usage: 8.75 MB
18:38:22 Done writing file
File has been created in /home/rciioko/public_html/quality-of-education/noko/the-results-of-noko/PHPExcel_1.8.0_doc/Examples