| Similarity | Rank | |
|---|---|---|
| 1920s | 0.968 | 14792 |
| 1930's | 0.963 | 26347 |
| 1940s | 0.961 | 16777 |
| 1950s | 0.956 | 9648 |
| 1920's | 0.930 | 30219 |
| 1940's | 0.927 | 33633 |
| 1960s | 0.924 | 7911 |
| 1890s | 0.923 | 37499 |
| 1950's | 0.922 | 20985 |
| mid-1950s | 0.913 | 83299 |
| 1910s | 0.912 | 92300 |
| 1960's | 0.911 | 19445 |
| 1970s | 0.905 | 7314 |
| '30s | 0.899 | 67801 |
| 1900s | 0.898 | 28575 |
| 1880s | 0.895 | 36300 |
| 1970's | 0.889 | 18387 |
| 1890's | 0.885 | 74390 |
| 1870s | 0.879 | 43942 |
| mid-1960s | 0.878 | 63672 |
| 1860s | 0.873 | 44310 |
| mid-1970s | 0.867 | 53815 |
| 1980s | 0.867 | 7178 |
| '40s | 0.866 | 67219 |
| 1900's | 0.866 | 40795 |