TTM20162015201420132012
Gross margin31.5%31.0%33.9%32.5%33.3%40.2%
Gross margin growth (bps)-71-296143-80-687118
Operating margin-4.5%-6.1%-5.9%-14.0%-9.3%4.2%
Operating margin growth (bps)473-28817-476-1,348281
Net profit margin-4.9%-7.0%-6.5%-17.3%-16.7%2.3%
Net profit margin growth (bps)449-521,080-55-1,897262