| Similarity | Rank | |
|---|---|---|
| 60's | 0.963 | 17173 |
| 50s | 0.950 | 19387 |
| 70's | 0.947 | 14816 |
| 40's | 0.945 | 29340 |
| 60s | 0.935 | 15489 |
| 70s | 0.924 | 14122 |
| 30's | 0.903 | 28725 |
| 80's | 0.902 | 13139 |
| 80s | 0.886 | 12461 |
| fifties | 0.886 | 27991 |
| sixties | 0.881 | 21797 |
| Fifties | 0.880 | 73233 |
| 20's | 0.877 | 26914 |
| '50s | 0.874 | 40055 |
| seventies | 0.871 | 24080 |
| 1950's | 0.868 | 20985 |
| 40s | 0.867 | 23540 |
| '40s | 0.855 | 67219 |
| eighties | 0.852 | 24958 |
| 1940's | 0.851 | 33633 |
| 1960's | 0.844 | 19445 |
| 90's | 0.844 | 15919 |
| '60s | 0.843 | 25607 |
| '70s | 0.841 | 23330 |
| Seventies | 0.840 | 58121 |