| Similarity | Rank | |
|---|---|---|
| '70s | 0.970 | 23330 |
| '50s | 0.962 | 40055 |
| '80s | 0.949 | 22319 |
| 60s | 0.931 | 15489 |
| '40s | 0.928 | 67219 |
| 70s | 0.923 | 14122 |
| 60's | 0.916 | 17173 |
| sixties | 0.913 | 21797 |
| '90s | 0.908 | 25014 |
| Sixties | 0.908 | 46348 |
| 1960s | 0.896 | 7911 |
| 70's | 0.891 | 14816 |
| seventies | 0.887 | 24080 |
| 80s | 0.887 | 12461 |
| '30s | 0.885 | 67801 |
| 1960's | 0.883 | 19445 |
| 80's | 0.875 | 13139 |
| Seventies | 0.871 | 58121 |
| 1950s | 0.867 | 9648 |
| '20s | 0.862 | 93475 |
| eighties | 0.862 | 24958 |
| 1950's | 0.851 | 20985 |
| 1940s | 0.851 | 16777 |
| 1970s | 0.850 | 7314 |
| Fifties | 0.849 | 73233 |