| Similarity | Rank | |
|---|---|---|
| 1970s | 0.982 | 7314 |
| 1990s | 0.978 | 7471 |
| 1980's | 0.958 | 18127 |
| mid-1980s | 0.956 | 43287 |
| mid-1970s | 0.953 | 53815 |
| 1990's | 0.952 | 20839 |
| 1960s | 0.949 | 7911 |
| 1970's | 0.940 | 18387 |
| mid-1990s | 0.931 | 35693 |
| 2000s | 0.922 | 26262 |
| mid-1960s | 0.920 | 63672 |
| 1950s | 0.918 | 9648 |
| 1960's | 0.908 | 19445 |
| mid-1950s | 0.903 | 83299 |
| mid-2000s | 0.894 | 94089 |
| nineties | 0.891 | 28357 |
| 1940s | 0.885 | 16777 |
| eighties | 0.872 | 24958 |
| 1930s | 0.867 | 11976 |
| '90s | 0.857 | 25014 |
| seventies | 0.855 | 24080 |
| 1950's | 0.853 | 20985 |
| 90s | 0.850 | 14490 |
| 1920s | 0.840 | 14792 |
| '80s | 0.834 | 22319 |