private function _readNumber()
	{
		$length = self::_GetInt2d($this->_data, $this->_pos + 2);
		$recordData = substr($this->_data, $this->_pos + 4, $length);

		// move stream pointer to next record
		$this->_pos += 4 + $length;

		// offset: 0; size: 2; index to row
		$row = self::_GetInt2d($recordData, 0);

		// offset: 2; size 2; index to column
		$column = self::_GetInt2d($recordData, 2);
		$columnString = PHPExcel_Cell::stringFromColumnIndex($column);

		// Read cell?
		if (($this->getReadFilter() !== NULL) && $this->getReadFilter()->readCell($columnString, $row + 1, $this->_phpSheet->getTitle()) ) {
			// offset 4; size: 2; index to XF record
			$xfIndex = self::_GetInt2d($recordData, 4);

			$numValue = self::_extractNumber(substr($recordData, 6, 8));

			$cell = $this->_phpSheet->getCell($columnString . ($row + 1));
			if (!$this->_readDataOnly) {
				// add cell style
				$cell->setXfIndex($this->_mapCellXfIndex[$xfIndex]);
			}

			// add cell value
			$cell->setValueExplicit($numValue, PHPExcel_Cell_DataType::TYPE_NUMERIC);
		}
	}