Balance sheet and income statement data indicate the following:
| Bonds payable, 10% (issued 1988 due 2012) | $1,000,000 |
| Preferred 5% stock, $100 par (no change during year) | 300,000 |
| Common stock, $50 par (no change during year) | 2,000,000 |
| Income before income tax for year | 350,000 |
| Income tax for year | 80,000 |
| Common dividends paid | 50,000 |
| Preferred dividends paid | 15,000 |
Based on the data presented above, what is the number of times bond interest charges were earned (round to one decimal point)?