| Similarity | Rank | |
|---|---|---|
| 1950's | 0.978 | 20985 |
| 1930's | 0.964 | 26347 |
| 1940s | 0.963 | 16777 |
| 1920's | 0.957 | 30219 |
| 1950s | 0.946 | 9648 |
| 1960's | 0.944 | 19445 |
| 1920s | 0.933 | 14792 |
| 1930s | 0.927 | 11976 |
| 1970's | 0.925 | 18387 |
| 1900's | 0.902 | 40795 |
| 1960s | 0.898 | 7911 |
| '40s | 0.890 | 67219 |
| 1900s | 0.889 | 28575 |
| 1890's | 0.885 | 74390 |
| mid-1950s | 0.884 | 83299 |
| '30s | 0.882 | 67801 |
| 1980's | 0.879 | 18127 |
| 1910s | 0.877 | 92300 |
| 1880's | 0.876 | 69401 |
| 1970s | 0.874 | 7314 |
| 1890s | 0.869 | 37499 |
| '50s | 0.862 | 40055 |
| mid-1960s | 0.857 | 63672 |
| 1880s | 0.857 | 36300 |
| 60's | 0.856 | 17173 |