| CSFZX | IRFRX | CSFZX / IRFRX | |
| Total Expense Ratio | 0.84 | 1.50 | 56% |
| Annual Report Gross Expense Ratio | 0.84 | 1.63 | 52% |
| Fund Existence | 11 years | 10 years | - |
| Gain YTD | 2.548 | 4.664 | 55% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 2.05B | 251M | 816% |
| Annual Yield % from dividends | 3.42 | 5.09 | 67% |
| Returns for 1 year | 11.74 | 25.19 | 47% |
| Returns for 3 years | 14.59 | 9.80 | 149% |
| Returns for 5 years | 19.32 | -2.87 | -672% |
| Returns for 10 years | 64.06 | 44.75 | 143% |