| Similarity | Rank | |
|---|---|---|
| 1950s | 0.981 | 9648 |
| 1940's | 0.963 | 33633 |
| 1930s | 0.961 | 11976 |
| 1920s | 0.957 | 14792 |
| 1950's | 0.954 | 20985 |
| 1960s | 0.951 | 7911 |
| 1930's | 0.943 | 26347 |
| 1960's | 0.941 | 19445 |
| 1920's | 0.933 | 30219 |
| mid-1950s | 0.931 | 83299 |
| 1970s | 0.924 | 7314 |
| 1910s | 0.920 | 92300 |
| 1970's | 0.918 | 18387 |
| '40s | 0.913 | 67219 |
| mid-1960s | 0.912 | 63672 |
| 1900s | 0.902 | 28575 |
| '30s | 0.902 | 67801 |
| 1890s | 0.893 | 37499 |
| 1980s | 0.885 | 7178 |
| mid-1970s | 0.882 | 53815 |
| 1980's | 0.879 | 18127 |
| 1900's | 0.877 | 40795 |
| '50s | 0.874 | 40055 |
| 1880s | 0.872 | 36300 |
| mid-20th | 0.869 | 75724 |