ROE / ROA
| (%) | 2006/3 | 2007/3 | 2008/3 | 2009/3 | 2010/3 | 2011/3 |
| Return on Equity | 7.5 | 9.4 | 11.2 | 9.4 | 9.3 | 8.8 |
| Return on Assets | 5.2 | 6.3 | 7.8 | 6.8 | 7.0 | 6.8 |
Profit ratio of capital
| (%) | 2006/3 | 2007/3 | 2008/3 | 2009/3 | 2010/3 | 2011/3 |
| Return on Equity | 7.5 | 9.4 | 11.2 | 9.4 | 9.3 | 8.8 |
| Return on Assets | 5.2 | 6.3 | 7.8 | 6.8 | 7.0 | 6.8 |