| Similarity | Rank | |
|---|---|---|
| '40s | 0.968 | 67219 |
| '20s | 0.940 | 93475 |
| '50s | 0.924 | 40055 |
| 1920s | 0.908 | 14792 |
| 1940s | 0.902 | 16777 |
| 1930s | 0.899 | 11976 |
| 1920's | 0.893 | 30219 |
| 1930's | 0.889 | 26347 |
| 1950s | 0.886 | 9648 |
| '60s | 0.885 | 25607 |
| 1940's | 0.882 | 33633 |
| 1950's | 0.874 | 20985 |
| '70s | 0.873 | 23330 |
| 1910s | 0.872 | 92300 |
| 1960s | 0.859 | 7911 |
| 1960's | 0.854 | 19445 |
| sixties | 0.851 | 21797 |
| 60s | 0.845 | 15489 |
| 70s | 0.843 | 14122 |
| seventies | 0.839 | 24080 |
| '80s | 0.837 | 22319 |
| 60's | 0.827 | 17173 |
| mid-1950s | 0.826 | 83299 |
| 1970s | 0.824 | 7314 |
| fifties | 0.822 | 27991 |