Statistics for Koibito Keiyaku Shimasen ka?

This graph shows the percentage of words (in total) that you'll be able to read assuming you know a certain percentage of unique vocabulary that appears in this work.

CoverageVocabulary required%
70%72013%
80%124323%
90%230243%
95%341264%
96%378471%
97%415678%
98%452885%
99%490092%