Table
| 2012 | 2011 | 2010 | |
|---|---|---|---|
| Operating profit margin. Per cent | 24.92 | 23.98 | 22.13 |
| Operating margin. Per cent | 36.03 | 31.02 | 32.40 |
| Return on total assets. Per cent | 0.18 | 0.16 | 14.52 |
| Return on equity. Per cent | 18.17 | 15.85 | 16.10 |
| Equity ratio. Per cent | 0.46 | 0.42 | 42.76 |
| Current ratio | 0.87 | 0.88 | 0.84 |
| Ratio of fixed assets to long term capital | 1.04 | 1.04 | 1.06 |
| Debt-to-equity ratio | 1.19 | 1.36 | 1.34 |