SimilarityRank
around_[number]_year_ago 0.826 99750
some_[number]_year_ago 0.796 44893
over_[number]_year_ago 0.776 22327
[number]_year_ago 0.766 3595
more_than_[number]_year_ago 0.743 24310
many_year_ago 0.723 15620
almost_[number]_year_ago 0.723 51448
a_few_year_ago 0.710 7726
nearly_[number]_year_ago 0.710 48159
year_ago 0.706 6831
several_year_ago 0.705 13891
over_a_decade_ago 0.665 94008
some_year_ago 0.664 24729
about_two_year_ago 0.653 97758
a_couple_of_year_ago 0.652 23717
in_the_early_90 0.651 57910
a_few_year_back 0.648 30838
in_the_early_1980 0.645 25476
in_the_late_1980 0.640 29771
three_year_ago 0.636 17729
five_year_ago 0.630 21349
a_long_time_ago 0.628 22554
in_the_early_1990 0.625 17920
in_the_mid-1990 0.624 42919
eight_year_ago 0.622 65575