TTM20162015201420132012
Gross margin36.1%36.3%34.4%36.3%35.9%36.2%
Gross margin growth (bps)148186-19341-28-36
Operating margin0.1%-0.3%-1.3%0.1%0.0%-4.0%
Operating margin growth (bps)13396-14114398-95
Net profit margin-1.1%-1.3%-1.8%-0.2%-0.4%-4.7%
Net profit margin growth (bps)7146-15719432389