| 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 | 8.906 | 18.592 | 48% |
| 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 | 2.55 | 12.08 | 21% |
| Returns for 3 years | 20.56 | 11.76 | 175% |
| Returns for 5 years | 19.37 | -7.55 | -257% |
| Returns for 10 years | 48.09 | 23.51 | 205% |