| CSFZX | PURZX | CSFZX / PURZX | |
| Total Expense Ratio | 0.84 | 0.96 | 88% |
| Annual Report Gross Expense Ratio | 0.84 | 0.96 | 88% |
| Fund Existence | 11 years | 28 years | - |
| Gain YTD | 2.548 | 4.041 | 63% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | N/A | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 2.05B | 1B | 204% |
| Annual Yield % from dividends | 3.42 | 2.74 | 125% |
| Returns for 1 year | 11.74 | 12.01 | 98% |
| Returns for 3 years | 14.59 | 18.63 | 78% |
| Returns for 5 years | 19.32 | 4.58 | 422% |
| Returns for 10 years | 64.06 | 25.13 | 255% |