数字であそぼ。
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% | 1,266 | 27.0% |
| 80% | 1,675 | 35.7% |
| 85% | 2,154 | 45.9% |
| 90% | 3,000 | 63.9% |
| 95% | 3,846 | 82.0% |
| 96% | 4,016 | 85.6% |
| 97% | 4,185 | 89.2% |
| 98% | 4,354 | 92.8% |
| 99% | 4,523 | 96.4% |
Total Unique Words: 4,692
Total Word Occurrences: 16,921