TTM20162015201420132012
Gross margin42.3%43.2%46.0%47.3%45.5%44.4%
Gross margin growth (bps)-336-281-1351871051
Operating margin-11.8%-11.4%-0.4%9.0%8.2%5.2%
Operating margin growth (bps)-946-1,107-93477304-189
Net profit margin-8.5%-8.2%-1.4%4.7%5.0%3.1%
Net profit margin growth (bps)-583-684-612-30190-128