| Similarity | Rank | |
|---|---|---|
| the_1960 | 0.903 | 24570 |
| the_1970 | 0.877 | 25452 |
| the_1940 | 0.872 | 73356 |
| the_1980 | 0.848 | 23629 |
| the_1920 | 0.839 | 50431 |
| the_1930 | 0.824 | 34500 |
| the_1990 | 0.817 | 24237 |
| 1950 | 0.808 | 23208 |
| 1960 | 0.786 | 27261 |
| and_1960 | 0.780 | 37048 |
| 1970 | 0.779 | 27604 |
| of_the_1950 | 0.771 | 52245 |
| in_the_1950 | 0.761 | 10960 |
| 1980 | 0.761 | 35792 |
| '70s | 0.758 | 54906 |
| in_the_1940 | 0.748 | 24811 |
| 1990 | 0.743 | 44046 |
| in_the_1960 | 0.740 | 9794 |
| the_'60s | 0.738 | 46416 |
| 1940 | 0.737 | 55737 |
| the_70 | 0.736 | 15618 |
| the_'50s | 0.735 | 91892 |
| '60s | 0.735 | 70225 |
| the_60 | 0.730 | 17446 |
| 70 | 0.729 | 20135 |