| CSFZX | IRFRX | CSFZX / IRFRX | |
| Total Expense Ratio | 0.84 | 1.50 | 56% |
| Annual Report Gross Expense Ratio | 0.84 | 1.69 | 50% |
| Fund Existence | 12 years | 11 years | - |
| Gain YTD | 10.102 | -1.251 | -808% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 2.31B | 244M | 946% |
| Annual Yield % from dividends | 3.24 | 5.62 | 58% |
| Returns for 1 year | 13.67 | 4.49 | 305% |
| Returns for 3 years | 27.27 | 12.52 | 218% |
| Returns for 5 years | 8.26 | -18.58 | -44% |
| Returns for 10 years | 52.99 | 23.18 | 229% |