TTM20162015201420132012
Gross margin64.4%65.3%64.6%69.2%69.2%69.2%
Gross margin growth (bps)-12969-457-302-199
Operating margin-6.2%-2.2%-30.7%6.1%7.9%10.2%
Operating margin growth (bps)2,7292,850-3,687-183-23113
Net profit margin-6.4%-3.5%-29.1%3.1%4.1%5.9%
Net profit margin growth (bps)2,4772,553-3,214-109-17622