TTM20132012201120102009
Gross margin22.7%22.7%23.0%23.0%25.6%31.9%
Gross margin growth (bps)-1-303-259-632540
Operating margin-3.0%-3.6%-5.8%-5.7%-6.2%4.6%
Operating margin growth (bps)132223-1447-1,079347
Net profit margin-3.0%-3.6%-5.8%-5.7%-6.9%3.1%
Net profit margin growth (bps)130221-10119-996306