| CSZIX | NBRIX | CSZIX / NBRIX | |
| Total Expense Ratio | 0.75 | 0.85 | 88% |
| Annual Report Gross Expense Ratio | 0.75 | 1.03 | 73% |
| Fund Existence | 12 years | 18 years | - |
| Gain YTD | 15.260 | 15.624 | 98% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 1000000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 9.87B | 566M | 1,743% |
| Annual Yield % from dividends | 1.84 | 1.79 | 103% |
| Returns for 1 year | 14.81 | 13.85 | 107% |
| Returns for 3 years | 42.33 | 36.01 | 118% |
| Returns for 5 years | 11.07 | -4.70 | -236% |
| Returns for 10 years | 65.37 | 24.23 | 270% |