| VVIAX | ZDIIX | VVIAX / ZDIIX | |
| Total Expense Ratio | 0.05 | 1.06 | 5% |
| Annual Report Gross Expense Ratio | 0.05 | 1.16 | 4% |
| Fund Existence | 26 years | 10 years | - |
| Gain YTD | 18.454 | 15.827 | 117% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 3000 | 5000 | 60% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 256B | 147M | 174,150% |
| Annual Yield % from dividends | 1.85 | 1.52 | 122% |
| Returns for 1 year | 25.22 | 20.24 | 125% |
| Returns for 3 years | 56.02 | 47.36 | 118% |
| Returns for 5 years | 59.62 | 41.35 | 144% |
| Returns for 10 years | 157.51 | N/A | - |