TTM20162015201420132012
Gross margin28.5%28.5%29.3%30.2%31.2%32.1%
Gross margin growth (bps)-86-86-92-96-89-21
Operating margin7.0%7.4%8.2%9.7%10.2%10.5%
Operating margin growth (bps)-114-77-155-49-30301
Net profit margin4.6%4.6%5.2%6.1%6.4%6.5%
Net profit margin growth (bps)-60-60-95-25-10-215