TTM20132012201120102009
Gross margin14.1%16.3%31.3%28.2%30.1%32.4%
Gross margin growth (bps)-1,349-1,504311-188-23255
Operating margin-47.7%-38.5%-12.6%-15.8%-19.9%-11.9%
Operating margin growth (bps)-2,859-2,587317409-798121
Net profit margin-52.0%-42.8%-11.9%-13.2%-12.6%-6.0%
Net profit margin growth (bps)-3,184-3,092126-60-650-1,615