11:30:18 Write to Excel2007 format
11:30:18 File written to 33chartcreate-column-2.xlsx
11:30:18 Peak memory usage: 9 MB
11:30:18 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