| Completeness | Sample 1 1880-1890 N = 119 | Sample 2 1985-1987 N = 132 |
| Good | 51 (42.9%) | 88 (66.7%) |
| Average | 59 (42.0%) | 36 (27.3%) |
| Poor | 18 (15.1%) | 8 (6.0%) |
| Total | 119 (100%) | 132 (100%) |