SimilarityRank
since_the_1980 0.827 33745
since_the_1970 0.796 30679
since_the_1960 0.775 41789
since_the_early_1990 0.773 60422
since_the_1990 0.769 42224
since_the_1950 0.734 59926
for_the_past_decade 0.706 52886
since_[number] 0.702 490
over_the_past_three_decade 0.699 95559
over_the_past_decade 0.688 13148
the_past_[number]_year 0.688 3204
over_the_past_two_decade 0.686 41635
over_the_last_decade 0.673 16951
during_the_past_decade 0.673 70142
over_the_last_two_decade 0.670 59995
in_the_past_decade 0.667 23058
for_several_decade 0.665 50219
for_more_than_two_decade 0.663 64963
for_over_twenty_year 0.661 57864
the_last_[number]_year 0.656 3311
during_the_1980 0.656 41309
for_the_past_ten_year 0.655 88471
for_two_decade 0.654 55846
for_three_decade 0.653 86476
in_recent_year 0.652 2460