| 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 | 13 years | - |
| Gain YTD | 7.876 | 7.884 | 100% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000 | 1000000 | 0% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 4.19B | 4.19B | 100% |
| Annual Yield % from dividends | 6.48 | 6.36 | 102% |
| Returns for 1 year | 6.74 | 6.77 | 100% |
| Returns for 3 years | 64.58 | 64.90 | 99% |
| Returns for 5 years | 179.20 | 180.66 | 99% |
| Returns for 10 years | 254.21 | 256.99 | 99% |