TTM20162015201420132012
Gross margin14.4%14.4%14.6%14.6%19.4%20.9%
Gross margin growth (bps)-21-21-2-482-150-19
Operating margin1.4%1.4%1.6%1.5%1.1%2.3%
Operating margin growth (bps)-20-201534-122-19
Net profit margin0.7%0.7%0.8%0.7%0.3%1.1%
Net profit margin growth (bps)-8-8848-79-15