水平線をめざせ！
Aim for the Watery Horizon!
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% | 407 | 37.9% |
| 80% | 516 | 48.1% |
| 85% | 655 | 61.0% |
| 90% | 795 | 74.1% |
| 95% | 934 | 87.0% |
| 96% | 962 | 89.7% |
| 97% | 990 | 92.3% |
| 98% | 1,018 | 94.9% |
| 99% | 1,046 | 97.5% |
Total Unique Words: 1,073
Total Word Occurrences: 2,787