TTM20162015201420132012
Gross margin54.6%54.2%54.4%58.3%62.6%63.4%
Gross margin growth (bps)37-21-386-428-8254
Operating margin-0.7%-1.6%1.7%0.2%8.6%8.7%
Operating margin growth (bps)-344-328151-847-2102
Net profit margin3.0%2.0%5.0%-15.2%2.6%2.5%
Net profit margin growth (bps)-347-2962,019-1,78212115