| Similarity | Rank | |
|---|---|---|
| 1970's | 0.978 | 18387 |
| 1990's | 0.975 | 20839 |
| 1980s | 0.958 | 7178 |
| 1970s | 0.955 | 7314 |
| 1960's | 0.946 | 19445 |
| 1960s | 0.922 | 7911 |
| mid-1970s | 0.919 | 53815 |
| 1990s | 0.917 | 7471 |
| mid-1980s | 0.910 | 43287 |
| 1950's | 0.906 | 20985 |
| 1950s | 0.905 | 9648 |
| nineties | 0.899 | 28357 |
| eighties | 0.894 | 24958 |
| mid-1960s | 0.889 | 63672 |
| 90's | 0.888 | 15919 |
| 2000s | 0.884 | 26262 |
| 1940s | 0.879 | 16777 |
| 1940's | 0.879 | 33633 |
| mid-1950s | 0.874 | 83299 |
| seventies | 0.871 | 24080 |
| 90s | 0.869 | 14490 |
| '90s | 0.869 | 25014 |
| 70's | 0.866 | 14816 |
| 1930's | 0.864 | 26347 |
| mid-1990s | 0.863 | 35693 |