| 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 | 16.252 | 16.001 | 102% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 1000000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 9.61B | 601M | 1,599% |
| Annual Yield % from dividends | 2.69 | 1.79 | 150% |
| Returns for 1 year | 16.86 | 15.82 | 107% |
| Returns for 3 years | 35.18 | 28.46 | 124% |
| Returns for 5 years | 12.74 | -3.90 | -327% |
| Returns for 10 years | 64.33 | 21.82 | 295% |