うしろに何かみえてますが

Vocabulary Coverage

Learning words in frequency order, here's how many unique words you need to know to reach various coverage percentages for this series:

Coverage Words Needed % of Unique Words
75% 715 32.4%
80% 882 40.0%
85% 1,203 54.6%
90% 1,537 69.7%
95% 1,871 84.9%
96% 1,938 87.9%
97% 2,004 90.9%
98% 2,071 94.0%
99% 2,138 97.0%

Total Unique Words: 2,204
Total Word Occurrences: 6,674