TTM20162015201420132012
Gross margin29.5%30.4%28.7%27.7%29.1%30.1%
Gross margin growth (bps)-7217499-143-104-257
Operating margin0.8%0.1%-0.7%-2.1%-5.8%-11.8%
Operating margin growth (bps)3983138371598-688
Net profit margin8.7%0.2%-0.4%-2.4%-6.1%-11.8%
Net profit margin growth (bps)82868199371570-721