TTM20162015201420132012
Gross margin25.8%26.8%23.8%17.0%14.5%13.6%
Gross margin growth (bps)983016802449341
Operating margin-0.2%0.4%1.3%1.5%0.3%0.5%
Operating margin growth (bps)-85-94-12119-2511
Net profit margin-0.4%-0.0%0.5%0.8%0.4%0.4%
Net profit margin growth (bps)-41-51-3139010