| NSIVX | TRIGX | NSIVX / TRIGX | |
| Total Expense Ratio | 0.98 | 0.81 | 121% |
| Annual Report Gross Expense Ratio | 1.13 | 0.81 | 140% |
| Fund Existence | 6 years | 28 years | - |
| Gain YTD | 9.341 | 15.055 | 62% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000000 | 2500 | 40,000% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 77.5M | 16.8B | 0% |
| Annual Yield % from dividends | 2.53 | 2.27 | 111% |
| Returns for 1 year | 4.49 | 22.89 | 20% |
| Returns for 3 years | 34.35 | 89.54 | 38% |
| Returns for 5 years | 29.28 | 93.71 | 31% |
| Returns for 10 years | N/A | 154.27 | - |