| CSFZX | PURZX | CSFZX / PURZX | |
| Total Expense Ratio | 0.84 | 0.97 | 87% |
| Annual Report Gross Expense Ratio | 0.84 | 0.97 | 87% |
| Fund Existence | 11 years | 28 years | - |
| Gain YTD | 9.981 | 10.083 | 99% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 2.06B | 901M | 228% |
| Annual Yield % from dividends | 2.84 | 2.42 | 117% |
| Returns for 1 year | 4.27 | 5.15 | 83% |
| Returns for 3 years | 22.37 | 24.10 | 93% |
| Returns for 5 years | 20.73 | 5.65 | 367% |
| Returns for 10 years | 53.72 | 15.53 | 346% |