| 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 | 9.622 | 8.401 | 115% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 2.06B | 886M | 232% |
| Annual Yield % from dividends | 2.84 | 2.42 | 117% |
| Returns for 1 year | 3.85 | 3.29 | 117% |
| Returns for 3 years | 21.36 | 24.05 | 89% |
| Returns for 5 years | 19.89 | 3.76 | 529% |
| Returns for 10 years | 49.07 | 10.23 | 480% |