TTM20162015201420132012
Gross margin14.4%14.5%15.1%14.9%14.8%14.6%
Gross margin growth (bps)-50-58161618-49
Operating margin0.9%1.1%2.4%2.5%2.7%0.9%
Operating margin growth (bps)-111-131-12-19180-74
Net profit margin0.2%0.3%1.0%0.9%0.3%0.2%
Net profit margin growth (bps)-55-673689-20