| Similarity | Rank | |
|---|---|---|
| 1940's | 0.978 | 33633 |
| 1960's | 0.973 | 19445 |
| 1950s | 0.965 | 9648 |
| 1940s | 0.954 | 16777 |
| 1970's | 0.951 | 18387 |
| 1930's | 0.951 | 26347 |
| 1920's | 0.942 | 30219 |
| 1960s | 0.926 | 7911 |
| 1930s | 0.922 | 11976 |
| 1920s | 0.920 | 14792 |
| 1980's | 0.906 | 18127 |
| 1970s | 0.902 | 7314 |
| mid-1950s | 0.890 | 83299 |
| 1900's | 0.887 | 40795 |
| '50s | 0.887 | 40055 |
| '40s | 0.886 | 67219 |
| 60's | 0.883 | 17173 |
| 1900s | 0.879 | 28575 |
| mid-1960s | 0.877 | 63672 |
| '30s | 0.874 | 67801 |
| 70's | 0.874 | 14816 |
| sixties | 0.870 | 21797 |
| seventies | 0.870 | 24080 |
| 50's | 0.868 | 21227 |
| 60s | 0.864 | 15489 |