| 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 | 11.454 | 22.043 | 52% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 2.06B | 271M | 759% |
| Annual Yield % from dividends | 2.84 | 2.27 | 125% |
| Returns for 1 year | 5.51 | 14.26 | 39% |
| Returns for 3 years | 21.36 | 12.61 | 169% |
| Returns for 5 years | 22.35 | -3.65 | -613% |
| Returns for 10 years | 57.21 | 31.47 | 182% |