TTM20142013201220112010
Gross margin39.8%39.8%41.4%40.1%31.9%40.8%
Gross margin growth (bps)-158-158131812-881-59
Operating margin3.8%3.8%2.8%0.2%-19.3%-5.5%
Operating margin growth (bps)98982601,955-1,38222
Net profit margin2.3%2.3%3.4%48.8%-28.6%-9.2%
Net profit margin growth (bps)-106-106-4,5397,735-1,937-507