| 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 | 8.674 | 12.868 | 67% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000000 | 2500 | 40,000% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 84.9M | 17B | 0% |
| Annual Yield % from dividends | 2.65 | 2.38 | 112% |
| Returns for 1 year | 8.48 | 28.36 | 30% |
| Returns for 3 years | 31.88 | 83.01 | 38% |
| Returns for 5 years | 28.24 | 92.54 | 31% |
| Returns for 10 years | N/A | 156.57 | - |