| Similarity | Rank | |
|---|---|---|
| mid-1970s | 0.974 | 53815 |
| mid-1990s | 0.974 | 35693 |
| 1980s | 0.956 | 7178 |
| 1990s | 0.950 | 7471 |
| 1970s | 0.943 | 7314 |
| mid-1960s | 0.931 | 63672 |
| 1990's | 0.923 | 20839 |
| mid-1950s | 0.919 | 83299 |
| 1980's | 0.910 | 18127 |
| 1970's | 0.896 | 18387 |
| 1960s | 0.894 | 7911 |
| mid-2000s | 0.892 | 94089 |
| 2000s | 0.869 | 26262 |
| 1950s | 0.858 | 9648 |
| 1960's | 0.853 | 19445 |
| 1940s | 0.829 | 16777 |
| nineties | 0.817 | 28357 |
| 1980 | 0.813 | 7432 |
| 1930s | 0.811 | 11976 |
| 1979 | 0.803 | 8473 |
| 1970 | 0.799 | 8821 |
| 1975 | 0.799 | 9230 |
| 1950's | 0.791 | 20985 |
| mid-90s | 0.791 | 68442 |
| 1971 | 0.790 | 9966 |