TTM20162015201420132012
Gross margin55.2%54.2%54.4%58.3%62.6%63.4%
Gross margin growth (bps)54-21-386-428-8254
Operating margin-0.4%-1.6%1.7%0.2%8.6%8.7%
Operating margin growth (bps)-1,740-328151-847-2102
Net profit margin-4.3%2.0%5.0%-15.2%2.6%2.5%
Net profit margin growth (bps)-2,801-2962,019-1,78212115