15:37:15 Write to Excel2007 format
15:37:16 File written to 33chartcreate-bar-stacked.xlsx
15:37:16 Peak memory usage: 8.75 MB
15:37:16 Done writing file
File has been created in /home/rciioko/public_html/quality-of-education/noko/the-results-of-noko/oo/PHPExcel_1.8.0_doc/Examples