Statistics for Nihongo, Dou Deshou?

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%97216%
80%169229%
90%318354%
95%448877%
96%474881%
97%501086%
98%527190%
99%553295%