| MLPZX | OSPMX | MLPZX / OSPMX | |
| Total Expense Ratio | 8.77 | 8.68 | 101% |
| Annual Report Gross Expense Ratio | 8.77 | 8.68 | 101% |
| Fund Existence | 16 years | 12 years | - |
| Gain YTD | 5.454 | 5.519 | 99% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000 | 1000000 | 0% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 3.88B | 3.89B | 100% |
| Annual Yield % from dividends | 7.01 | 6.88 | 102% |
| Returns for 1 year | 8.90 | 9.08 | 98% |
| Returns for 3 years | 57.28 | 57.84 | 99% |
| Returns for 5 years | 228.62 | 229.61 | 100% |
| Returns for 10 years | 132.25 | 133.91 | 99% |