| 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 | 8.886 | 17.953 | 49% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 2.12B | 274M | 772% |
| Annual Yield % from dividends | 2.77 | 2.23 | 124% |
| Returns for 1 year | 8.31 | 17.51 | 47% |
| Returns for 3 years | 22.11 | 10.43 | 212% |
| Returns for 5 years | 17.52 | -9.80 | -179% |
| Returns for 10 years | 45.70 | 23.41 | 195% |