| Similarity | Rank | |
|---|---|---|
| mid-1980s | 0.974 | 43287 |
| 1990s | 0.960 | 7471 |
| mid-1970s | 0.937 | 53815 |
| 1980s | 0.931 | 7178 |
| mid-2000s | 0.924 | 94089 |
| 1990's | 0.909 | 20839 |
| 1970s | 0.901 | 7314 |
| 2000s | 0.888 | 26262 |
| mid-1960s | 0.881 | 63672 |
| mid-1950s | 0.864 | 83299 |
| 1980's | 0.863 | 18127 |
| 1960s | 0.842 | 7911 |
| 1970's | 0.832 | 18387 |
| nineties | 0.808 | 28357 |
| decade | 0.800 | 2984 |
| 1950s | 0.796 | 9648 |
| mid-90s | 0.786 | 68442 |
| 1980 | 0.781 | 7432 |
| 1960's | 0.780 | 19445 |
| 1990 | 0.774 | 5524 |
| '90s | 0.771 | 25014 |
| 1991 | 0.770 | 5992 |
| 1989 | 0.763 | 6451 |
| 1979 | 0.763 | 8473 |
| 1995 | 0.760 | 4621 |